Merge pull request #78 from bvssvni/master

Added deform example
Merge pull request #79 from bvssvni/master

Added inverse lookup on deform grid
Merge pull request #80 from bvssvni/master

Upgraded to latest Graphics
Merge pull request #81 from bvssvni/master

Upgraded to latest rust-sdl2
Merge pull request #82 from bvssvni/master

Upgraded to latest piston-sprite
Another bit in the update to latest piston-sprite.
Merge pull request #83 from jakerr/sprite-changes

Another bit in the update to latest piston-sprite.
Remove piston dependency

Closes https://github.com/PistonDevelopers/piston-examples/issues/84
Merge branch 'master' of https://github.com/bvssvni/piston-examples