Updated openstack/openstack
Project: openstack/cinder  d13c8f70fc4e9b591a10b79af4b2e440eb44380c

Enable hacking rule E111,E112,E113

This change fixes all violations of E111, E112, E113 hacking rules
and enable these rules in tox.ini

Change-Id: I79b1f2f26fbbec4ad47230ca2e8a2802458a6cee