New remote branch pushed: bug-16647-UndoRedo

Rewrite the PointSetDataInteractor to support Undo/Redo,
this comprises changes in DataInteractor to include the UndoModel.

Also some enhancements which are needed to properly implement the new PointSet are added.

This is part of T16651 and the list of functionality is described in the therein linked documentation.

Added Core Change Request.

[48ffd0]: Merge branch 'bug-16647-UndoRedo'

Merged commits:

2014-01-08 15:42:50 Christian Weber [08c51a]
Removed typo.
Set PointSetConfig to mimic old behavior of pointsets
Fix PointList QWidget to deactivate Interactor on AddPointToggle

2013-12-12 17:20:42 Christian Weber [45f08c]
Updated PointSets.xml , Implemented Maximal Number of Points

2013-12-12 16:29:15 Christian Weber [f0af8b]
Add Notifications to DataInteractor

2013-12-12 15:10:32 Christian Weber [5278e1]
Fix Unregister correct Oberserver, remove SM Debug

2013-12-12 14:49:08 Christian Weber [85ecae]
Changed PointSetInteraction Plugin to use DataInteractors

2013-12-12 14:46:45 Christian Weber [9bba8e]
Adapted PointSet SM and Config, removed unused states

2013-12-12 13:40:28 Christian Weber [2209fe]
Fix Reset EventStatemachines

2013-12-12 12:55:40 Christian Weber [447e58]
Add ResetToStart State Functionality to EventStatemachines

2013-12-11 23:36:26 Christian Weber [cbe8dd]
Added Docu

2013-12-11 23:03:08 Christian Weber [59e361]
Undo-Redo Working with PointSetDataInteractor

2013-12-11 13:55:28 Christian Weber [1ac1e5]
Fixes in Event SM

2013-12-11 11:27:43 Christian Weber [fa2fd6]
Intermed Undo Redo Impl PointSet

2013-12-11 10:21:55 Christian Weber [8238d2]
Merge branch 'bug-15634-PointSetDataInteractorFixes' into bug-16647-UndoRedo

2013-12-10 14:36:44 Christian Weber [bb4752]
Integrate Base for undo/redo in EventStateMachine, Add poss. to deactivate SM

2013-07-17 15:36:59 Christian Weber [f319c9]
Removed hard coded properties from DataInteractor