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