Disable warnings about non-camel case types.

I don't think there's much reason to follow Rust's style guidelines in
FFI code.
Merge pull request #13 from hannobraun/camel-case-warnings

Disable warnings about non-camel case types.
Produce dylib and rlib
Merge pull request #14 from larsbergstrom/dylib

Produce dylib and rlib
Rust upgrade
Merge pull request #15 from larsbergstrom/rustup

Rust upgrade
Update to current rust: struct fields are private by default.
Merge pull request #16 from mozilla-servo/rustup_20140405

Update to current rust: struct fields are private by default.
libc is now an extern crate.
Update to the new attribute syntax.

Use #![...] instead of #[...];
Merge pull request #17 from sebcrozet/libc

Update to the last Rust.
Link libfreetype statically.