Added OpenCL schedules
Added OpenCL libs to static tests
Merge branch 'master' of https://github.com/halide/Halide
Added parens around cast in Select visitor (OpenCL C compiler issue workaround)
Merge branch 'master' of https://github.com/halide/Halide
Removed code dump from compile_to_src
Merge branch 'master' of https://github.com/halide/Halide
Merge pull request #209 from dsharlet-intel/master

Adding more OpenCL link libs, OpenCL schedules to apps