Reverted log_parser.py to what Nikhil had done, moving all yperf stuff into yperf_input.py and the yperf repository
Finished first draft of yperf_input.py
Added rake yperf task
Removed unused import os
Removed unused function
Deleted things that had been moved into yperf (and stats/log_parser.py which was already in python/ folder)
Merge pull request #8 from markulrich/master

Use yperf repo