Activiti/Activiti-Designer — pull request #24 by ptrep (2014-11-20 14:52:38+00:00)
Title: Made it easier to customize the palette from a designer extension

Currently, the only way to extend the palette is via a user library. If you are building your own extension plugin, this is not ideal. I refactored the code in the ActivitiToolBehaviorProvider class to wrap the calls to ExtensionUtil in protected methods so that a subclass can easily override the default behavior.