diff --git a/.ci/eslint-plugin-zotero-translator/lib/processor/index.js b/.ci/eslint-plugin-zotero-translator/lib/processor/index.js
deleted file mode 100644
index 15eefea3..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/processor/index.js
+++ /dev/null
@@ -1,15 +0,0 @@
-'use strict';
-
-const translators = require('../translators').cache;
-
-module.exports = {
-	preprocess: function (text, filename) {
-		const translator = translators.get(filename);
-
-		return [(typeof translator.source === 'string') ? translator.source : text];
-	},
-
-	postprocess: function (messages, _filename) {
-		return messages[0];
-	},
-};
diff --git a/.ci/eslint-plugin-zotero-translator/lib/rules/last-updated.js b/.ci/eslint-plugin-zotero-translator/lib/rules/last-updated.js
deleted file mode 100644
index da7772b7..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/rules/last-updated.js
+++ /dev/null
@@ -1,56 +0,0 @@
-'use strict';
-
-const translators = require('../translators').cache;
-const getHeaderFromAST = require('../translators').getHeaderFromAST;
-
-module.exports = {
-	meta: {
-		type: 'problem',
-		docs: {
-			description: 'enforce valid lastUpdated in header',
-			category: 'Possible Errors',
-		},
-		fixable: 'code',
-	},
-
-	create: function (context) {
-		return {
-			Program: function (node) {
-				const header = getHeaderFromAST(node);
-				if (!header.declaration) return;
-
-				const translator = translators.get(context.getFilename());
-
-				const now = new Date()
-					.toISOString()
-					.replace('T', ' ')
-					.replace(/\..*/, '');
-
-				if (!header.properties.lastUpdated) {
-					context.report({
-						node: header.declaration,
-						message: 'Header needs lastUpdated field'
-					});
-				}
-				else if (!/^\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}$/.test(header.properties.lastUpdated.value)) {
-					context.report({
-						node: header.properties.lastUpdated,
-						message: `lastUpdated field must be in YYYY-MM-DD HH:MM:SS format`,
-						fix: function (fixer) {
-							return fixer.replaceText(header.properties.lastUpdated, `"${now}"`);
-						},
-					});
-				}
-				else if (translator.lastUpdated && translator.lastUpdated >= header.properties.lastUpdated.value) {
-					context.report({
-						node: header.properties.lastUpdated,
-						message: `lastUpdated field must be updated to be > ${translator.lastUpdated} to push to clients`,
-						fix: function (fixer) {
-							return fixer.replaceText(header.properties.lastUpdated, `"${now}"`);
-						},
-					});
-				}
-			}
-		};
-	},
-};
diff --git a/.ci/eslint-plugin-zotero-translator/lib/rules/test-cases-valid-json.js b/.ci/eslint-plugin-zotero-translator/lib/rules/test-cases-valid-json.js
deleted file mode 100644
index f97bc884..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/rules/test-cases-valid-json.js
+++ /dev/null
@@ -1,30 +0,0 @@
-'use strict';
-
-const translators = require('../translators').cache;
-
-module.exports = {
-	meta: {
-		type: 'problem',
-		docs: {
-			description: 'disallow invalid JSON in test cases',
-			category: 'Possible Errors',
-		},
-	},
-
-	create: function (context) {
-		return {
-			Program: function (_node) {
-				const translator = translators.get(context.getFilename());
-
-				if (!translator.testCases) return; // regular js or no test cases
-
-				if (translator.testCases.error) {
-					context.report({
-						message: `Could not parse testCases: ${translator.testCases.error.message}`,
-						loc: { start: { line: translator.testCases.error.line, column: translator.testCases.error.column } },
-					});
-				}
-			}
-		};
-	},
-};
diff --git a/.ci/eslint-plugin-zotero-translator/lib/rules/translator-id.js b/.ci/eslint-plugin-zotero-translator/lib/rules/translator-id.js
deleted file mode 100644
index 7eaa526f..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/rules/translator-id.js
+++ /dev/null
@@ -1,69 +0,0 @@
-'use strict';
-
-const fs = require('fs');
-const path = require('path');
-const uuid = require('uuid/v4');
-
-const translators = require('../translators').cache;
-const getHeaderFromAST = require('../translators').getHeaderFromAST;
-
-const deleted = new Set(
-	fs.readFileSync(path.join(translators.repo, 'deleted.txt'), 'utf-8')
-		.split('\n')
-		.map(line => line.split(' ')[0])
-		.filter(id => id && id.indexOf('-') > 0)
-);
-
-module.exports = {
-	meta: {
-		type: 'problem',
-		docs: {
-			description: 'disallows translatorID re-use',
-			category: 'Potential Problems',
-		},
-		fixable: 'code',
-	},
-
-	create: function (context) {
-		return {
-			Program: function (node) {
-				const filename = context.getFilename();
-				const header = getHeaderFromAST(node);
-				if (!header.declaration) return;
-
-				if (!header.properties.translatorID) {
-					context.report({
-						node: header.declaration,
-						message: 'Header has no translator ID',
-					});
-				}
-				else if (deleted.has(header.properties.translatorID.value)) {
-					context.report({
-						node: header.properties.translatorID,
-						message: 'Header re-uses translator ID of deleted translator',
-						fix: function (fixer) {
-							return fixer.replaceText(header.properties.translatorID, `"${uuid()}"`);
-						}
-					});
-				}
-				else if (!header.properties.translatorID.value) {
-					context.report({
-						node: header.properties.translatorID,
-						message: 'Header has empty translator ID',
-					});
-				}
-				else {
-					const conflict = translators.conflicts(filename, header.properties.translatorID.value);
-					if (conflict) {
-						const translator = translators.get(filename);
-						context.report({
-							node: header.properties.translatorID,
-							message: `Header re-uses translator ID of ${conflict.label}`,
-							fix: !translator.modified ? undefined : (fixer => fixer.replaceText(header.properties.translatorID, `"${uuid()}"`)),
-						});
-					}
-				}
-			}
-		};
-	},
-};
diff --git a/.ci/eslint-plugin-zotero-translator/lib/rules/translator-type.js b/.ci/eslint-plugin-zotero-translator/lib/rules/translator-type.js
deleted file mode 100644
index 4a83c9d7..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/rules/translator-type.js
+++ /dev/null
@@ -1,72 +0,0 @@
-'use strict';
-
-const getHeaderFromAST = require('../translators').getHeaderFromAST;
-
-function getFunction(programNode, name) {
-	return programNode.body.find((node) => {
-		if (node.type === 'FunctionDeclaration' && node.id && node.id.name === name) return true;
-		if (node.type === 'VariableDeclaration'
-				&& node.declarations.length === 1
-				&& node.declarations[0].id.name === name
-				&& node.declarations[0].init
-				&& node.declarations[0].init.type === 'FunctionExpression'
-		) return true;
-
-		return false;
-	});
-}
-
-module.exports = {
-	meta: {
-		type: 'problem',
-		docs: {
-			description: 'enforce translatorType against handler functions',
-			category: 'Possible Errors',
-		},
-	},
-
-	create: function (context) {
-		return {
-			Program: function (node) {
-				const header = getHeaderFromAST(node);
-				if (!header.declaration) return;
-
-				const type = {
-					import: 1,
-					export: 2,
-					web: 4,
-					search: 8
-				};
-
-				let translatorTypeNode = header.declaration;
-				let translatorType = 0;
-				let browserSupportNode = null;
-				for (const [p, v] of Object.entries(header.properties)) {
-					switch (p) {
-					case 'translatorType':
-						translatorTypeNode = v;
-						translatorType = v.value;
-						break;
-					case 'browserSupport':
-						browserSupportNode = v;
-						break;
-					}
-				}
-
-				if (browserSupportNode && !(translatorType & type.web)) context.report(browserSupportNode, `browserSupport set, but translatorType (${translatorType}) does not include web (${type.web})`);
-
-				for (const name of ['detectWeb', 'doWeb', 'detectImport', 'doImport', 'doExport']) {
-					const handler = getFunction(node, name);
-					const mode = name.replace(/^(detect|do)/, '').toLowerCase();
-					const bit = type[mode];
-					if (handler && !(translatorType & bit)) {
-						context.report(handler, `${name} present, but translatorType (${translatorType}) does not specify ${mode} (${bit})`);
-					}
-					if (!handler && (translatorType & bit)) {
-						context.report(translatorTypeNode, `translatorType specifies ${mode} (${bit}), but no ${name} present`);
-					}
-				}
-			}
-		};
-	},
-};
diff --git a/.ci/eslint-plugin-zotero-translator/lib/translators.js b/.ci/eslint-plugin-zotero-translator/lib/translators.js
deleted file mode 100644
index 8bc09362..00000000
--- a/.ci/eslint-plugin-zotero-translator/lib/translators.js
+++ /dev/null
@@ -1,249 +0,0 @@
-'use strict';
-
-const fs = require('fs');
-const path = require('path');
-const findRoot = require('find-root');
-const childProcess = require('child_process');
-
-const repo = path.resolve(findRoot(__dirname, dir => fs.existsSync(path.resolve(dir, '.git'))));
-
-const metaDataRules = [
-	'zotero-translator/header-valid-json',
-	'zotero-translator/last-updated',
-	'zotero-translator/translator-id',
-	'zotero-translator/test-cases-valid-json',
-	'zotero-translator/test-cases',
-	'zotero-translator/translator-type',
-	'zotero-translator/prefer-index-of',
-	'zotero-translator/no-for-each',
-	'zotero-translator/not-executable',
-	'indent',
-].join(', ');
-
-const headerVar = '__eslintZoteroTranslatorHeader';
-const headerPrefix = `/* eslint-disable no-unused-vars */ const ${headerVar} = /* eslint-disable */(/* eslint-enable ${metaDataRules} */`;
-
-function jsonParseWithErrorInfo(raw, source) {
-	const target = { raw };
-	target.lines = target.raw.split('\n').length;
-
-	try {
-		target.parsed = JSON.parse(target.raw);
-	}
-	catch (err) {
-		const position = err.message.match(/at position ([0-9]+)/);
-		const at = position ? parseInt(position[1]) : 0;
-		target.error = {
-			message: err.message,
-			line: source.substring(0, source.indexOf(raw)).split('\n').length // start of raw JSON
-				+ target.raw.substring(0, at).split('\n').length, // line within raw JSON
-			column: at - target.raw.lastIndexOf('\n', at),
-		};
-	}
-
-	return target;
-}
-
-function escapeRE(string) {
-	return string.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
-}
-const re = {
-	undecorated: new RegExp(
-		/^(\{[\s\S]+?\n\})/.source // the header
-		+ /(\n[\s\S]+?)/.source // the code
-		+ '(?:' // test cases
-		+ /(\/\*\* BEGIN TEST CASES \*\*\/)([\s\S]+?)/.source // var testCases =
-		+ /(\[[\s\S]+\])/.source // the test cases
-		+ /([\s\S]+)/.source // trailing stuff after the test cases
-		+ ')?$' // test cases are optional
-	),
-
-	decorated: new RegExp(
-		/^([\s\S]*?)/.source // anything the fixer might have placed at the top
-		+ escapeRE(headerPrefix) // all the eslint junk we injected
-		+ /(\{[\s\S]+\})/.source // the header
-		+ escapeRE(');/* eslint-enable */') // more eslint stuff we injected
-		+ /([\s\S]+?)/.source // the code
-		+ '(?:' // optional test cases
-		+ /(\/\*\* BEGIN TEST CASES \*\*\/)/.source
-		+ escapeRE('/* eslint-disable */') // more eslint stuff we injected
-		+ /([\s\S]+?)/.source // var testCases =
-		+ escapeRE(`/* eslint-enable ${metaDataRules} */`)
-		+ /([\s\S]+)/.source
-		+ ')?$'
-	),
-};
-
-const tfw = {
-	rules: [
-		'block-spacing',
-		'brace-style',
-		'comma-spacing',
-		'consistent-return',
-		'consistent-this',
-		'key-spacing',
-		'keyword-spacing',
-		'no-array-constructor',
-		'no-cond-assign',
-		'no-new-object',
-		'no-sequences',
-		'no-undef',
-		'no-unused-expressions',
-		'no-void',
-		'object-curly-spacing',
-		'semi',
-		'semi-spacing',
-		'space-before-blocks',
-		'space-before-function-paren',
-		'space-infix-ops',
-	]
-};
-tfw.disable = ` // eslint-disable-line ${tfw.rules.join(', ')}`;
-tfw.disableRe = new RegExp('(\\n' + escapeRE('/* FW LINE 59:b820c6d */') + '[^\\n]+?)(' + escapeRE(tfw.disable) + ')?(\\n)');
-
-function decorate(source) {
-	const decorated = {};
-
-	if (!source.startsWith('{')) return decorated;
-
-	let m = source.match(re.undecorated);
-	if (!m) throw new Error('no header');
-
-	let [, header, code, testCasesPrefix, testCasesVar, testCases, testCasesPostfix] = m;
-
-	code = code.replace(tfw.disableRe, `$1${tfw.disable}$3`);
-
-	// decorate header
-	decorated.header = jsonParseWithErrorInfo(header, source);
-
-	decorated.source = headerPrefix
-		+ header // the JSON
-		+ ');/* eslint-enable */'
-		+ code; // the actual code
-
-	if (testCasesPrefix) {
-		decorated.testCases = jsonParseWithErrorInfo(testCases, source);
-
-		decorated.source += testCasesPrefix // the prefix
-			+ '/* eslint-disable */' // disable all the rules
-			+ testCasesVar
-			+ `/* eslint-enable ${metaDataRules} */` // enable JSON rules
-			+ testCases
-			+ testCasesPostfix;
-	}
-
-	return decorated;
-}
-
-function tryFormatJSON(raw) {
-	try {
-		return JSON.stringify(JSON.parse(raw), null, '\t');
-	}
-	catch (_err) {
-		return raw;
-	}
-}
-function strip(source) {
-	const m = source.match(re.decorated);
-	if (!m) throw new Error('not decorated');
-
-	let [, prefix, header, code, testCasesPrefix, testCasesVar, testCases] = m;
-
-	code = code.replace(tfw.disableRe, '$1$3');
-
-	return tryFormatJSON(header) + (prefix ? '\n\n' + prefix.replace(/^\s*/, '') : '') + code + (testCasesPrefix || '') + tryFormatJSON(testCasesVar || '') + (testCases || '');
-}
-
-function exec(cmd) {
-	return childProcess.execSync(cmd, { cwd: repo, encoding: 'utf8' });
-}
-
-class Cache {
-	constructor() {
-		this.decorated = {};
-
-		this.repo = path.resolve(repo);
-		for (const translator of fs.readdirSync(this.repo)) {
-			if (!translator.endsWith('.js')) continue;
-			this.decorated[path.basename(translator)] = decorate(fs.readFileSync(path.join(repo, translator), 'utf-8'));
-		}
-
-		const branch = exec('git rev-parse --abbrev-ref HEAD').trim();
-
-		const hasUpstream = exec('git remote -v').split('\n')
-			.map(line => line.trim())
-			.includes('upstream\thttps://github.com/zotero/translators.git');
-		// branch to compare lastUpdated against -- assume that if have upstream/master, you want to compare against that
-		const master = hasUpstream ? 'upstream/master' : 'master';
-
-		this.lastUpdated = {};
-		if (branch !== master) {
-			// `git diff --name-status ${master}` will fetch the names of the files that have changed against `${master}`
-			for (const file of exec(`git diff --name-status ${master}`).split('\n')) {
-				const m = file.match(/^M\t([^/]+\.js)$/); // js files that are modified but don't have a / in their path to pick out files in the root
-				if (m && this.decorated[m[1]]) this.decorated[m[1]].modified = true;
-			}
-
-			/*
-				We do a `git grep '"lastUpdated"' ${master} *.js` to get the
-				`lastUpdated` values from the `${master}` branch. For files that are
-				deemed changed, the lastUpdated is remembered (so the presence of lastUpdated implies modified).
-				This info is used in the 'last-updated' rule.
-			*/
-			for (const lu of exec(`git grep '"lastUpdated"' ${master} *.js`).split('\n')) {
-				const m = lu.match(/^[a-z/]+:([^:]+):\s*"lastUpdated"\s*:\s*"([-0-9: ]+)"/);
-				if (!m) continue;
-				const translator = m[1];
-				if (this.decorated[translator] && this.decorated[translator].modified) this.decorated[translator].lastUpdated = m[2];
-			}
-		}
-	}
-
-	get(filename) {
-		const basename = path.basename(filename);
-
-		// don't load stuff outside the root dir
-		if (!this.decorated[basename] && path.dirname(path.resolve(filename)) !== this.repo) this.decorated[basename] = {};
-
-		return this.decorated[basename];
-	}
-
-	conflicts(filename, translatorID) {
-		filename = path.basename(filename);
-		for (const [otherFilename, otherHeader] of Object.entries(this.decorated)) {
-			if (otherFilename !== filename && otherHeader.translatorID === translatorID) {
-				return otherHeader.parsed;
-			}
-		}
-		return false;
-	}
-}
-
-function getHeaderFromAST(programNode) {
-	const declaration = programNode.body[0];
-	if (!declaration) return {};
-	if (declaration.type !== 'VariableDeclaration' || declaration.declarations.length !== 1 || declaration.declarations[0].id.name !== headerVar) return {};
-
-	const body = declaration.declarations[0].init;
-	if (!body || body.type !== 'ObjectExpression') return {};
-
-	const properties = {};
-	for (const property of body.properties) {
-		properties[property.key.value] = property.value;
-	}
-	return { declaration, body, properties, followingStatement: programNode.body[1] };
-}
-
-module.exports = {
-	decorate,
-	strip,
-	cache: new Cache(),
-	getHeaderFromAST,
-};
-
-if (require.main === module) {
-	const orig = fs.readFileSync(path.join(__dirname, '../../../Amazon.js'), 'utf-8');
-	const decorated = decorate(orig);
-	const stripped = strip(decorated.source);
-	console.log(stripped === orig); // eslint-disable-line no-console
-}
diff --git a/.ci/helper.sh b/.ci/helper.sh
old mode 100755
new mode 100644
diff --git a/.ci/pull-request-check/selenium-test.js b/.ci/pull-request-check/selenium-test.js
old mode 100644
new mode 100755
diff --git a/.ci/pull-request-check/xvfb-run-chrome b/.ci/pull-request-check/xvfb-run-chrome
old mode 100644
new mode 100755