Updated openstack/openstack
Project: openstack/python-novaclient  c3c5de7efb3090f9d02dad2306e613769d4cb3e2
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Enable hacking check for Apache 2.0 license

Removes H102 (license header not found) check from flake8
ignore list.

Adds missing apache license headers.

Change-Id: I109f23c6d8b2e3efb1dac7f764bd77e0d9d335f0