Renamed drawRel... to setRel... and added virtual qualifiers
Checked out Transform.hpp from coord_systems. Added Transformable class
Added missing break to switch
Added missing assignment operator, removed move constructor
Removed ambiguous default constructors
Made Entity derive Transformable
Made Graphic derive Transformable
Made Camera derive Transformable
Removed zoom from Transform
Fixed transform application
Added parent to Transformable
Made Graphics children of Entities children of Camera
Merge branch 'dev' into shaders

Conflicts:
	Tank/Graphics/CircleShape.cpp
	Tank/Graphics/ConvexShape.cpp
	Tank/Graphics/FrameList.hpp
	Tank/Graphics/Graphic.cpp
	Tank/Graphics/Graphic.hpp
	Tank/Graphics/Image.cpp
	Tank/Graphics/RectangleShape.cpp
	Tank/Graphics/Text.cpp
Fixed borked merge