title: Idea intellij plugin not working in android studio 1.5.1
body: <p>I'm developing a test plugin for android studio, my plugin works (The actions created are visible ) in Android studio 1.5 when added using "install plugin from disk". But the same jar file is not working in Android studio 1.5.1. 
  Below is the plugin.xml file. Please help.</p>
  
  <pre><code>&lt;idea-plugin version="2"&gt;
  &lt;id&gt;com.test.android.studio.plugin&lt;/id&gt;
  &lt;name&gt;test Android Studio Plugin&lt;/name&gt;
  &lt;version&gt;1.0&lt;/version&gt;
  &lt;vendor email="test@test.com" url="http://www.test.com"&gt;test test Services Pvt. Ltd.&lt;/vendor&gt;
  
  &lt;description&gt;
  Android Studio plugin to integrate test SDK
  &lt;/description&gt;
  
  &lt;change-notes&gt;
   Release 0.0.1: Initial release.
  &lt;/change-notes&gt;
  
  &lt;!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/build_number_ranges.html for description --&gt;
  &lt;idea-version since-build="131"/&gt;
  
  &lt;!-- please see http://www.jetbrains.org/intellij/sdk/docs/basics/getting_started/plugin_compatibility.html
       on how to target different products --&gt;
  &lt;!-- uncomment to enable plugin in all products--&gt;
  &lt;depends&gt;com.intellij.modules.lang&lt;/depends&gt;
  
  &lt;extensions defaultExtensionNs="com.intellij"&gt;
      &lt;!-- Add your extensions here --&gt;
  &lt;/extensions&gt;
  
  &lt;actions&gt;
      &lt;!-- Add your actions here --&gt;
      &lt;group id="Test" class="org.test.plugin.actions.TestMainActionGroup" text="Test" description="Main Test invocation Action"
             popup="true"&gt;
          &lt;add-to-group group-id="MainMenu" anchor="last"/&gt;
  
          &lt;action id="testMode" class="org.Test.plugin.actions.TestModeAction" text="Test Mode" description="Test mode action"&gt;
              &lt;keyboard-shortcut keymap="$default" first-keystroke="ctrl k"/&gt;
          &lt;/action&gt;
          &lt;action id="invocationCode" class="org.Test.plugin.actions.InvocationCodeAction" text="Invocation Code"
                  description="Test mode action"&gt;
          &lt;/action&gt;
          &lt;action id="onlineDoc" class="org.Test.plugin.actions.OnlineDocAction" text="Online Documentation"
                  description="Test mode action"&gt;
          &lt;/action&gt;
          &lt;action id="aboutUs" class="org.Test.plugin.actions.AboutUsAction" text="About Us" description="Test mode action"&gt;
          &lt;/action&gt;
      &lt;/group&gt;
  
  &lt;/actions&gt;
  </code></pre>
  
  <p></p>