Merge pull request #31 from bvssvni/master

Added metadata to Cargo.toml, renamed package
Update package.tags to package.keywords.
Add semicolon to macro definition.
Merge pull request #32 from featureenvy/master

Update cam to the newest version of rust.
Removed `rustc/cargo -v` from .travis.yml

See https://github.com/PistonDevelopers/piston/issues/794