title: how add autocomplete option in editor using angular-ui-ace
body: <p>I am using aungular-ui-ace to create a code editor in my web site. All is fine, but I want include autocomplete option. The option {enableBasicAutocompletion: true} dont work for me.</p>
  
  <p>My Code:</p>
  
  <p><div class="snippet" data-lang="js" data-hide="false">
  <div class="snippet-code">
  <pre class="snippet-code-js lang-js prettyprint-override"><code>var app = angular.module('MyApp', ['ui.ace']);
  
  app.controller('MyCtrl', function($scope){});</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;head&gt;
     &lt;script src="/bower_components/angular/angular.js"&gt;&lt;/script&gt;
     &lt;script type="text/javascript" src="/bower_components/ace-builds/src-min-noconflict/ace.js"&gt;&lt;/script&gt;
     &lt;script type="text/javascript" src="/bower_components/angular-ui-ace/ui-ace.js"&gt;&lt;/script&gt;
  &lt;/head&gt;  
  
  &lt;body ng-app="MyApp" ng-controller="MyCtrl"&gt;
    &lt;div ui-ace="{mode: 'javascript', enableBasicAutocompletion: true}"&gt;&lt;/div&gt;
  &lt;/body&gt;  </code></pre>
  </div>
  </div>
  </p>