Remove .pyc files for tox runs
Remove .pyc files for tox runs

Added a command to remove .pyc files before running the unit
tests.  This ensures any stale .pyc are removed prior to the
run.

Change-Id: I0d07e8222950bd474e17b8fb05fb0e5a9b18422e

pypowervm/pypowervm,powervm/pypowervm