Added variable Flicker Delay
Merge branch 'master' of github.com:gsi-biomotion/slicer-dirqa
Merge branch 'master' of github.com:gsi-biomotion/slicer-dirqa
Merge branch 'master' of github.com:gsi-biomotion/slicer-dirqa

Conflicts:
	RegistrationQualityModule/Logic/vtkMRMLRegistrationQualityNode.cxx
	RegistrationQualityModule/Logic/vtkMRMLRegistrationQualityNode.h
	RegistrationQualityModule/Resources/UI/qSlicerRegistrationQualityModule.ui
	RegistrationQualityModule/qSlicerRegistrationQualityModuleWidget.cxx