Added a subset of the Graphic API to opengl. Needs more work.
More work in the Graphic API
Desktop GL fix
Merge branch 'master' into graphics

Conflicts:
	openfl/_internal/renderer/canvas/CanvasGraphics.hx
Alpha 0 fix
Do not include Lime samples when using 'create' command with OpenFL
Move GL graphics data code into the GL renderer
Restore canvas graphics
Compile fix
Remove FPS trace
Add an OpenFL legacy path
Socket.flush() shouldn't propagate exceptions from sys.net.Socket, but transform them into IOError (thanks soywiz! :)
Add macro for using legacy classes manually
Move older native classes to openfl._v2 internally instead of dividing the code
Merge branch 'master' of https://github.com/openfl/openfl into canvas_drawtriangles

Conflicts:
	openfl/display/Graphics.hx