Natronize
Natronize
pimplize EffectInstance
fix warning
clean up #includes
disable ViewerGL::toImgCoordinates_slow()
remove GUI stuff from Engine (only QtGui/Qrgb is remaining, in Lut.h)
Merge branch 'workshop' of https://github.com/MrKepzie/Natron into workshop

Conflicts:
	Engine/EffectInstance.cpp
	Engine/EffectInstance.h
Merge branch 'workshop' of https://github.com/MrKepzie/Natron into workshop

Conflicts:
	Engine/EffectInstance.cpp
	Engine/EffectInstance.h