merge
Merge remote-tracking branch 'upstream/master'
removed untracked file.
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'

Merge
Merge remote-tracking branch 'upstream/master'
Fix warning
Fix ambiguous symbol resolution with libc++
Fixed crash when attempting to split a previously fused RVar.
Fixed bug due in previous commit, Split::exact is irrelevant for fuses.
std::cout -> printf.
Merge remote-tracking branch 'upstream/master'
Merge pull request #466 from halide/rvar-scheduling

Rvar scheduling
Fixed missing RDom name from introspection.
Add missing mkdir to CMake build
Merge branch 'master' of github.com:halide/Halide
Windows build fixes
Merge branch 'master' of https://github.com/Halide/halide
Update cmakelists to handle terminfo
Move -ltinfo, -lz, etc last in cmake build