Furnace ID is uk.co.thefoundry.furnace
Fix toolbar menus organisation
Bug fix: since plug-in IDS are now case sensitive, we must take into
account projects created in Natron v1.0.0 and compare pluginIDS without
case sensitivity
Fix unit test
Cleaner auto place algorithm for nodes
Bug fix, set back the setProjectWasCreatedWithLowerCaseIDs flag after
project load.
Fix a bug in copy/paste of a node and picking of edges
getPreferredInputForConnection(): masks are sorted after optional inputs
checkForNaNs() : bug fix
Trimap: bug fix in halveRoiForDepth :we can’t convert pixels being
rendered to pixels already rendered because the caller would then have
to wait for the full-scale image to be rendered and then downscale
again; This is easier to just render the pixels needed in the
downscaled image
More group imp
Merge branch 'workshop' into python

Conflicts:
	Engine/AppInstance.h
	Engine/ProjectPrivate.cpp
	Engine/RotoContext.cpp
	Gui/GuiAppInstance.cpp
	Gui/NodeGraph.cpp
	Gui/NodeGui.cpp
	Gui/ToolButton.cpp
	Gui/ToolButton.h