Add comma for parentRegistry, add .jshintrc file from ember-cli, and …

…fix other jshint items.

.jshintrc

@@ -0,0 +1,44 @@
+{
+  "predef": [
+    "console",
+    "it",
+    "describe",
+    "beforeEach",
+    "afterEach",
+    "before",
+    "after",
+    "-Promise"
+  ],
+  "proto": true,
+  "strict": true,
+  "indent": 2,
+  "camelcase": true,
+  "node": true,
+  "browser": false,
+  "boss": true,
+  "curly": true,
+  "latedef": "nofunc",
+  "debug": false,
+  "devel": false,
+  "eqeqeq": true,
+  "evil": true,
+  "forin": false,
+  "immed": false,
+  "laxbreak": false,
+  "newcap": true,
+  "noarg": true,
+  "noempty": false,
+  "quotmark": true,
+  "nonew": false,
+  "nomen": false,
+  "onevar": false,
+  "plusplus": false,
+  "regexp": false,
+  "undef": true,
+  "unused": true,
+  "sub": true,
+  "trailing": true,
+  "white": false,
+  "eqnull": true,
+  "esnext": true
+}

ember-addon-main.js

@@ -9,7 +9,7 @@ module.exports = {
 
   init: function() {
     checker.assertAbove(this, '0.1.2');
-  }
+  },
 
   parentRegistry: null,
 
@@ -30,16 +30,14 @@ module.exports = {
 
         return htmlbarsCompile(tree, self.htmlbarsOptions());
       }
-    })
+    });
 
     if (type === 'parent') {
       this.parentRegistry = registry;
     }
   },
 
   included: function (app) {
-    var self = this;
-
     this._super.included.apply(this, arguments);
 
     if (this.shouldSetupRegistryInIncluded()) {
@@ -86,4 +84,4 @@ module.exports = {
 
     return plugins;
   }
-}
+};