Added AreIdentical() method for Geometry3D
Added AreIdentical() method for mitk::Image
Making AreIdentical() more verbose
Added PixelType comparison to AreIdentical()
Enhancing mitkImageTest

* several test cases for AreIdentical() method with same and different
* images
Renaming AreIdentical to IsEqual

* moving the comparison methods to a separate namespace 'compare'
moved UI components from manual implementation in cpp file to ui file / Qt creator
added new signals when navigation data source selection is changed
Started redesign of TrackingLab: Mircoservices are integrated now, but view is not working yet
further work on new signals (signal is giving parameter NULL when no source is selected)
further work on restructuring TrackingLab (not finished yet)
removed trailing whitespaces
Merge branch 'bug-12952-RedesignIGTTrackingLab' into bug-12952-TutorialIGTTrackingLabBasedOnNewMaster

Conflicts:
	Modules/IGTUI/Qmitk/QmitkNavigationDataSourceSelectionWidget.cpp
	Modules/IGTUI/Qmitk/QmitkNavigationDataSourceSelectionWidget.h
	Plugins/org.mitk.gui.qt.igtexamples/src/internal/QmitkIGTTrackingLabView.cpp
	Plugins/org.mitk.gui.qt.igtexamples/src/internal/QmitkIGTTrackingLabView.h
ENH: added an offset feature. You can now optionally add an offset for every visualization object. This offset is applied before the object is visualized.
Further restructuring of tracking lab: initial and permanent registration is now working
improved connection testing of tracking device configuration widget
started heavy cleanup of TrackingLab: removed a couple on unused methods and other unused code, also cleaned up UI
Bug #15005: migration to org.mitk.gui.qt.common from ...common.legacy
Merge branch 'bug-12952-TutorialIGTTrackingLabBasedOnNewMaster' into bug-12952-TutorialIGTTrackingLabBasedOnRelease2013-03
Fixed a few bugs: plugin does not crash any more if inputs are missing but is giving error messages