Update to nightly
Merge pull request #224 from cmr/rustup-9/14/2014

Update to nightly
Update for Gc -> P change in libsyntax
Merge pull request #226 from tomjakubowski/fix-for-p

Update for Gc -> P change in libsyntax
Switch to Cargoified libglfw and link statically.
Merge pull request #219 from metajack/cargo-libglfw

Switch to Cargoified libglfw and link statically.
Merge branch 'master' of https://github.com/bjz/glfw-rs