Merge pull request #6 from SimonSapin/master

Make modules public. See https://github.com/mozilla/rust/issues/8478
Update to latest Rust
Merge pull request #7 from kmcallister/rust-upgrade

Update to latest Rust
Update ignores.
Upgrade for latest rust.
Merge pull request #8 from metajack/rustup

Upgrade for latest rust.
Make parse_color a static method Color::parse
Merge pull request #9 from SimonSapin/color-parse-method

Make parse_color a static method Color::parse
Switch from -o to --out-dir.
Revert to using -o for tests
Fix a test
Merge pull request #10 from kmcallister/otest

Test fixes