1.3 released

Use JEditor 1.2.4
Use Groovy 3.0.1
Use Rhino 1.7.12
Use Jython 2.7.2b3
Use JavaCC 7.0.5
Put several fields and methods of the DefaultSwingScriptLogger as protected to be able to extend its behavior more easily
Allow to customize the labels in the DefaultSwingScriptLogger class
Add the clearTab() and setTab(int) methods in the ScriptContext interface, delegating to the ScriptLogger
Fix the exception message in the Swing ScriptErrorLoggerArea no being red in some cases
The getScriptProxy() method now return the ScriptProxy, the getScript() method the resulting script. Note that the ScriptProxy allow to wrap the exceptions.
Add a method in the ScriptWrapper to return the script text content
Add an experimental debugging feature