Implement SDL_UpperBlit as upper_blit
Merge branch 'master' of https://github.com/AngryLawyer/rust-sdl2
Make upper_blit use transmute instead of match
Merge branch 'master' of https://github.com/AngryLawyer/rust-sdl2
Change from upper_blit to blit_surface
Change blit_surface to blit
Update to rustc version b981add
Merge pull request #120 from honzasp/ord-rename

Update to rustc version b981add
Merge branch 'master' of https://github.com/gmorenz/rust-sdl2 into gmorenz-master
Merge remote-tracking branch 'origin/master' into gmorenz-master
Merge branch 'gmorenz-master'
Convert old-style collections import to new std::collections
Merge pull request #122 from funkenstein/master

Convert old-style collections import to new std::collections
Added 'doc/' to .gitignore

When using rust-sdl2 git submodule it gets marked dirty when generating
docs in piston-workspace. This prevents new commits.

Ignoring the ‘doc/‘ folder fixes this problem.
Merge pull request #124 from bvssvni/master

Added 'doc/' to .gitignore
drop impl Container