Allow to define drawInterpret per mode #117
Duplicate area #106
Merge branch 'master' into dhek20

Conflicts:
	Dhek/Drawing.hs
	Dhek/Engine.hs
	Dhek/Engine/Interpreter.hs
	Dhek/Engine/Type.hs
	Dhek/GUI/Action.hs
	Dhek/Geometry.hs
	Dhek/Mode/Normal.hs
	dhek.cabal