[assignment 2] Convert version route to plugin

Closes outmoded#43

lib/index.js

@@ -2,31 +2,22 @@
 
 var Hapi = require('hapi');
 var Hoek = require('hoek');
-var Package = require('../package.json');
-
 
 // Declare internals
 
-var internals = {};
-
+var internals = {
+  version: require('./version')
+};
 
 internals.init = function () {
 
     var server = new Hapi.Server();
     server.connection({ port: 8000 });
-
-    server.route({
-        method: 'GET',
-        path: '/version',
-        config: {
-            description: 'Returns the version of the server',
-            handler: function (request, reply) {
-
-                return reply({ version: Package.version });
-            }
-        }
+    server.register(internals.version, function (err) {
+
+      Hoek.assert(!err, err);
     });
-
+    
     server.start(function (err) {
 
         Hoek.assert(!err, err);

lib/version.js

@@ -0,0 +1,29 @@
+// Declare internals
+var internals = {
+  response: {
+    version: require('../package.json').version
+  }
+};
+
+// Register plugin
+exports.register = function (server, options, next) {
+
+    server.route({
+        method: 'GET',
+        path: '/version',
+        config: {
+            description: 'Returns the version of the server',
+            handler: function (request, reply) {
+
+                return reply(internals.response);
+            }
+        }
+    });
+
+    next();
+};
+
+// Plugin metadata
+exports.register.attributes = {
+    name: 'version'
+};