implemented getDummy in saveablelist
Merge branch 'Jonas' + memento interface change fixing template cast issue for all classes but saveablelist
implemented Operation List (by exident in this branch)
implemented frame diff
changed frameDiff.getDiif explanation describing value must be between 0 and 1 + implemented EarthMoversHistogramDiff except scaling the Diff
Merge branch 'EarthMoversHistogramDiff'
Saveable list is now fully observable + aesthetic changes
Merge branch 'Memento' into Karsten
EMHD jetzt saveable
cosmetic changes
Merge branch 'EarthMoversHistogramDiff'
weird change issue
Merge branch 'master' of https://github.com/V02460/CTT
Merge branch 'Karsten'

Conflicts:
	ctt/Histogram.cpp
	ctt/Memento.cpp
	ctt/YUVDataVideo.cpp
	ctt/ctt.vcxproj
	ctt/ctt.vcxproj.filters
Merge branch 'master' of https://github.com/V02460/CTT
Change return types and method parameters from unsigned int to int
worked on merge problems
Fixes the errors in ffmpegvideo which were preventing compilation... very sorry that this ended up in master :(
Merge branch 'master' of https://github.com/V02460/CTT
Includes missing header file with new versions of deprecated methods in ffmpegdatavideo, now it really does compile.