Ember: jshint single quotes

- also remove .jshintrc from releases

.npmignore

@@ -19,6 +19,7 @@ core/server/data/export/exported*
 .af*
 .git*
 .groc*
+.jshintrc
 *.iml
 config.js
 CONTRIBUTING.md

core/client/.jshintrc

@@ -21,6 +21,7 @@
     "esnext": true,
     "onevar": true,
     "white": true,
+    "quotmark": "single",
     "globals": {
         "Ember": true,
         "Em": true,

core/client/fixtures/posts.js

@@ -1,3 +1,4 @@
+/* jshint ignore:start */
 var posts =  [
         {
             "id": 1,
@@ -4563,3 +4564,4 @@ var posts =  [
     ];
 
 export default posts;
+/* jshint ignore:end */

core/client/fixtures/settings.js

@@ -1,3 +1,4 @@
+/* jshint ignore:start */
 var settings = {
     "title": "Ghost",
     "description": "Just a blogging platform.",
@@ -22,3 +23,4 @@ var settings = {
 };
 
 export default settings;
+/* jshint ignore:end */

core/client/fixtures/users.js

@@ -1,3 +1,4 @@
+/* jshint ignore:start */
 var users = [
     {
         "id": 1,
@@ -21,3 +22,4 @@ var users = [
 ];
 
 export default users;
+/* jshint ignore:end */

core/client/routes/signin.js

@@ -18,7 +18,7 @@ var SigninRoute = Ember.Route.extend(styleBody, {
                     url: this.get('ghostPaths').adminUrl('signin'),
                     type: 'POST',
                     headers: {
-                        "X-CSRF-Token": this.get('csrf')
+                        'X-CSRF-Token': this.get('csrf')
                     },
                     data: data
                 }).then(