Update to nightly
Merge pull request #152 from bjz/update

Update to nightly
std::cast::transmute -> std::mem::transmute
Merge pull request #153 from alexanderchr/master

std::cast::transmute -> std::mem::transmute
Updated for latest Rust
Merge pull request #157 from ozkriff/master

Updated for latest Rust
Updated to latest Rust: ~str -> BufStr
Merge pull request #159 from ozkriff/master

Updated to latest Rust: ~str -> BufStr
Remove workaround for rust bug mozilla/rust#11040.
Merge pull request #160 from bjz/remove-workaround

Remove workaround for rust bug mozilla/rust#11040.
StrBuf->String
Remove trailing whitespace
Merge pull request #161 from bjz/string

StrBuf->String
Fix README example
Merge pull request #162 from bjz/readme

Fix README example
Merge remote-tracking branch 'refs/remotes/upstream/master' into servo
Merge pull request #15 from mozilla-servo/rustup-20140528

Upgrade Rust