Add LogoOverlay
cmake file
replace manufacturer logo with overlay
Move Overlays to Overlays modules and Qt based overlays in new QtOverlays
Merge branch 'bug-18075-CreateManufacturerLogoOverlay' into bug-18102-MoveOverlayImplementationsToModules
Revert "replace manufacturer logo with overlay"

This reverts commit 41ded1e1ec0014168a09c697ede7b961d4088bec.

Conflicts:
	Modules/QtWidgets/QmitkStdMultiWidget.cpp
remove unfinished logoOverlay
documentation in module
Merge branch 'bug-18102-MoveOverlayImplementationsToModules'