Some steps to update component for newest Ember (#8)

* Add check if component already registered

* Ugly hack to fix select all. TODO: recheck selection node

* Handle paste event

* Avoid using prototype extentions in wysiwyg

* Avoid prototype extentions for editor

* Avoid using prototype extentions

* Ember as global

* Update action-link-modal.js

* Rename imports for Ember

* Update action-link.js

addon/action-link.js

@@ -18,7 +18,7 @@ export default Ember.Component.extend(WithConfigMixin, {
         linkHref: computed.alias('parentView.linkHref'),
         actions: {
           addLink: function() {
-            this.get('parentView').send('addLink');
+            (this.get('parentView') || this.get('_parentView')).send('addLink');
           }
         }
       }));