Fix some PEP8 issues and Openstack Licensing
Fix some PEP8 issues and Openstack Licensing

[H102 H103] Contributed Source code should be licensed under
the Apache 2.0 license.

Change-Id: Id9862b8bf5d9c8e2b2f7f9b7717ed00a97de8f21

openstack/ironic,NaohiroTamura/ironic,pshchelo/ironic,openstack/ironic,NaohiroTamura/ironic,pshchelo/ironic,SauloAislan/ironic,SauloAislan/ironic