Add servo build support.
Merge branch 'master' into servo
Merge branch 'master' into servo
Merge remote-tracking branch 'bjz/master' into HEAD
Update makefile for Servo
Merge pull request #1 from kmcallister/rust-upgrade

Update Servo to master glfw-rs
Merge remote-tracking branch 'bjz/master' into servo
Merge remote-tracking branch 'bjz/master' into servo
Switch from -o to --out-dir.
Merge remote-tracking branch 'bjz/master' into servo
Merge remote-tracking branch 'bjz/master' into servo
Merge commit 'bjz/master^' into HEAD
Merge pull request #5 from brson/master

Merge with upstream
Merge remote-tracking branch 'bjz/master' into HEAD
Merge pull request #6 from brson/master

Merge with upstream
Merge remote-tracking branch 'upstream/master' into servo
Remove missing file from Makefile.
Merge remote-tracking branch 'refs/remotes/upstream/master' into servo
Merge upstream/master into servo.
Merge remote-tracking branch 'refs/remotes/upstream/master' into servo