Modified opencl/crc to output JSON.
Modified lud to compile and fixed output format

- USES FLOATS INSTEAD OF DOUBLES AND VERIFICATION IS DISABLED!
Fixed nw and hmm (opencl) for dwarf_runner.py
Modified opencl/bfs.cpp to fit dwarf runner
Modified opencl/pagerank

- Fixed bug where abs() was not applied to common_rand()
- Modified the -d flag to -q in the C version to match the OpenCL
  version
- Makefile was modified to allow running inside of dwarf_runner
Modified opencl/spmv to be supported by dwarf_runner
Modified srad to work with dwarf_runner
Fixed backprop to work with dwarf_runner