Adobe AEM/CQ overwriting built-in plugins for richtext editor

Example given here -
to overwrite the built-in link configuration dialog box by adding a field to set a link title:
http://forums.adobe.com/thread/1230814

Very important to compare the code given in the example for changes.

Overview:

1. Setup in the apps director to create a "widgets" folder with these values
• jcr:primaryType  = cq:ClientLibraryFolder
• sling:resourceType = widgets/clientlib
• categories = cq.wcm.edit
2. Create a js file that overrides the built-in js plugin, note:
• Initialize the name of the plugin
• Register the name to the built-in xtype
• Uses CQ.form instead of CUI.
3. Create a js.txt and include the name of js file within