Made all the necessary changes to pass new PEP8 standards.
Also cleaned up docstrings to conform to the HACKING stanards.
Change-Id: Ib8df3030da7a7885655689ab5da0717748c9edbe
Also reformat code to follow newer PEP8 version. Full cleanup
and PEP8 version bump coming in later patch.
Change-Id: Ida3dd9a89660b9c4a91449846dd2d6e223ef187a