TODOs in Makefile
Merge branch 'master' of github.com:halide/Halide
Update INSTALL
Fixed the clock

Was generating bad calls, and the correct calls were doing bad things.
Merge branch 'master' of github.com:halide/Halide
Disabled MCJIT on os x
Merge branch 'master' of github.com:halide/Halide
Use grand central dispatch on os x
Merge branch 'master' of github.com:halide/Halide
Merge remote-tracking branch 'upstream/master'