Removed dependency on `native`

* Default is running on main thread, so this should be ok
Merge pull request #106 from bvssvni/master

Removed dependency on `native`
Upgraded to latest piston-graphics
Merge pull request #107 from bvssvni/master

Upgraded to latest piston-graphics
Added note about Rust nightly and Cargo

Closes https://github.com/PistonDevelopers/piston-examples/issues/109
Upgraded deform example to new design
Upgraded to new design
Using border constructor
Use image method
Use image method
Merge pull request #116 from bvssvni/master

New piston-graphics design
Fix compilation errors from new enum namespacing rules
Merge pull request #117 from AnthIste/build-fix

Fix compilation errors from new enum namespacing rules