Merge remote-tracking branch 'remotes/origin/bug-15959-FileReadingShouldHappenInNavigationDataPlayerBaseInsteadOfDoingThisInBothOfItsSubclasses' into bug-15959-RedesignNavigationDataPlayerAndRecorder
Conflicts:
Modules/IGT/IO/mitkNavigationDataSequentialPlayer.cpp
Modules/IGT/IO/mitkNavigationDataSequentialPlayer.h
Modules/IGT/Testing/mitkNavigationDataPlayerTest.cpp
Modules/IGT/Testing/mitkNavigationDataRecorderTest.cpp
Modules/IGT/Testing/mitkNavigationDataToPointSetFilterTest.cpp