Merge pull request #58 from bvssvni/master

Added render method to simplify setup
Merge pull request #59 from bvssvni/master

Rename RenderContext to GraphicsBackEnd
Merge pull request #62 from bvssvni/master

Renamed Gfx2d to G2D
Merge pull request #63 from bvssvni/master

Renamed image_iter example to imagetest
Updated README

Closes https://github.com/PistonDevelopers/gfx_graphics/issues/64
Merge pull request #66 from bvssvni/master

Generated dependency graph
Added dependency graph

Closes https://github.com/PistonDevelopers/gfx_graphics/issues/65
Removed Makefile from example

Closes https://github.com/PistonDevelopers/gfx_graphics/issues/67