Merge branch 'master' of https://github.com/halide/Halide into typed-funcs
Merge branch 'typed-funcs' of https://github.com/halide/Halide into typed-funcs
Removed transpose of the DFT domain, tweaked schedules for a slight optimization.
Fixed some benchmarking inconsistent behavior.
Made input to the c2c benchmark complex, benchmarks assume cached input/output.
Slightly reduced redundant code in benchmarks.
Removed unused helper function.
Merge pull request #504 from halide/fft-improvements

FFT benchmark improvements
Merge branch 'typed-funcs' of https://github.com/halide/Halide into typed-funcs
Merge branch 'master' into typed-funcs

Conflicts:
	test/performance/fft.cpp