Fixed abort of modal session
Generalize RunInitializeOperation to RunOperation
MenuBuilder
Switch to MenuBuilder.
Introduce Update Version in POM.

Experimental version only.
Works only for Applications, not for libs.
The basic problem with the libs is that there is not info.plist file that
holds the versions.

Unfortunatally it is hard to check which kind of project a project represents.
Therefore the corresponding menu entry is visible also for libs.
Show maven menue only for maven releated projects.
Move cleanup product menu into dedicated method
Leading timestamp in log message.
Reformat SAPXcodeMavenPlugin.m
Introduce updateVersion for multiple projects.
Introduce UpdateVersionInPom task.
Streamline coding
Improve logging.
Move console handling into Taks.
Introduce task superclass.
First working version that is able to distiguish between apps and libs.
Reworked invokeMethod.
Rework invokeSelector
Colorize sucess message.
Update texts in UI