deps: use tilde instead of caret for npm2 (#273)

* deps: use tilde instead of caret for npm2

* Revert "test: Update travis config"

This reverts commit 8360c04.

* travis: remove script and notifications

* travis: use built-in npm

* travis: remove Node.js v0.8.x

PR-URL: #273
Credit: @watilde
Reviewed-By: @iarna
Reviewed-By: @zkat

.travis.yml

@@ -1,11 +1,12 @@
 language: "node_js"
 node_js:
-  - "6"
+  - "5"
   - "4"
-  - "7"
+  - iojs
+  - "0.12"
+  - "0.10"
 sudo: false
 before_install:
   - "npm config set spin false"
-  - "npm install -g npm"
 env:
   - DEPLOY_VERSION=testing

package.json

@@ -10,15 +10,15 @@
   },
   "dependencies": {
     "couchapp": "~0.11.0",
-    "json": "^9.0.2",
+    "json": "~9.0.2",
     "semver": "4"
   },
   "devDependencies": {
-    "request": "^2.42.0",
-    "parse-json-response": "^1.0.1",
+    "request": "~2.42.0",
+    "parse-json-response": "~1.0.1",
     "rimraf": "~2.2.6",
     "tap": "*",
-    "which": "^1.0.5"
+    "which": "~1.0.5"
   },
   "repository": {
     "type": "git",