Enable E113,E111,H302,F812,E713 rules

After bumping the hacking version to the 0.9.x series ignores were
added for several rules. This commit fixes the violations for a subset
of these rules and re-enables the checks.

Change-Id: I8cc92a5de5acf43a2143751851cf6fddab401ba4
Merge "Enable E113,E111,H302,F812,E713 rules"