clean compile, doesn't link though
fix libuv mac compile
clean link under osx (nothing works though)
src/platform/cocoa/%.c -> src/platform/cocoa/%.m
start implementing RutabagaWindow
fix syntastic objc checking
clean OSX compile
fix cabbage patch build
specify GLSL version in shaders
window: clean-up properly from failed init
x11-xcb: force a 3.2 core profile context
shaders: version bump (130 -> 150) for 3.2 core profile
fix shaders for 3.2 core profile operation