Allow nova to use insecure cinderclient.

Add an option cinder_api_insecure to pass on to cinderclient.

Bug 1100459

Change-Id: Ifb31cc0df48d2345fa0a6ec440bdf9685254cbcd
Fix multi line docstring tests in hacking.py

* Fixes N403, along with docstring test
* Adds N404, multi line start
* Disable N403 and N404 until all cases are fixed
* Remove obsolote '--repeat' flag from tox.ini

Change-Id: Ibf6371efc1cdc764e66f6f7c5c4362440101f963
Remove obsolete baremetal override of MAC addresses.

Now that the hypervisor driver can specify what MAC addresses it
needs, overriding the MAC address during bare metal instance
provisioning is no longer appropriate.

Change-Id: I2b0790753297104ddd40a410c8acb5fdac97ad15
Merge "Remove obsolete baremetal override of MAC addresses."
Merge "Allow nova to use insecure cinderclient."
Merge "Fix multi line docstring tests in hacking.py"
Merge remote-tracking branch 'citrix/master' into build-temp