Resolve core-object deprecation warnings.

Resolves #11.

Author: blimmer

lib/legacy-table.js

@@ -5,6 +5,8 @@ var Promise    = require('ember-cli/lib/ext/promise');
 
 module.exports = CoreObject.extend({
   init: function(plugin, revisions) {
+    this._super.init && this._super.init.apply(this, arguments);
+
     this._plugin = plugin;
     this.revisions = revisions;
   },

lib/scm-table.js

@@ -7,6 +7,8 @@ var Promise    = require('ember-cli/lib/ext/promise');
 
 module.exports = CoreObject.extend({
   init: function(plugin, revisions) {
+    this._super.init && this._super.init.apply(this, arguments);
+
     this._plugin = plugin;
     this.revisions = revisions;
   },