Update to Rust 0.6 syntax.
Merge pull request #6 from metajack/rust-0.6-syntax

Update to Rust 0.6 syntax.
Add license
Add license headers
Remove modes.
Fix mutable FFI arguments.
Merge pull request #7 from metajack/no-modes

No modes
Language changes with extern modules
Fixed linker error with stbi symbols
Merge pull request #9 from Jeaye/master

Language changes with extern modules
Update for language changes
Update to latest Rust.