Rename sdl2::window to sdl2::video
Checkpoint
Make libsdl2 follow to rustc 0.11.0-pre (1c4a9b9 2014-05-19)
Several fixes
Update lessons to rustc 0.11.0-pre (1c4a9b9 2014-05-19)
Merge branch 'rustc-0.11-pre'