Merge pull request #43 from bvssvni/master

Upgraded to latest Rust-Empty
Fix a bug in Tiles and remove some redunduncy
Merge pull request #44 from ccgn/master

Fix a bug in Tiles and remove some redunduncy
Reindeted and tried to conform to rust-style-guide
Merge pull request #46 from leonkunert/master

Reindeted and tried to conform to rust-style-guide
Fixed int fallback

Closes https://github.com/PistonDevelopers/rust-image/issues/47