halide: Test manual interpolate schedule
halide: Clean up interpolate example
Comment halidetuner.py
halide: Automatically allocate output buffer

This automatically handles splits on output dimension not evenly
divisible by requested buffer size.
halide: Simplified interpolate examples

Stripped down to allow easier debugging.
Merge branch 'master' of https://github.com/jansel/opentuner
Increase test image size for interpolate
halide: switch default compiler to c++ (from clang)
halide: track "program version" as hash of source

Use simple md5 of program.cpp as program_version in tuner database
halide: tuner improvements

- always keep failed schedule source (like debug_schedule)
- use unique tempfile for binfile - allows multiple tuner instances to run simultaneously on the same machine
- catch SIGALRM exit code -14 as another "program timeout" case
Merge branch 'master' of https://github.com/jansel/opentuner
Merge pull request #18 from jrk/master

Halide improvements