Restore nova-network support to the V3 API for OpenStack Compute (nova)

Port and/or put back nova-network functionality into the V3 API

Define core REST API for V3 API for OpenStack Compute (nova)

These are the changes required to finally nail down exactly what is the core REST V3 API

Core REST API methods should have policy checks for OpenStack Compute (nova)

Some of the old V2 API core methods do not have policy checks associated with them. Policy checks should be added

Specification documentation for the v3 API for OpenStack Compute (nova)

Produce documentation for api.openstack.org for the v3 API and http://docs.openstack.org/api/openstack-compute/2/content/ I think this all flows on from test_api_samples unittests, but there is also likely work required from the documentation team as well. Will need to confirm.

v3 API miscellaneous cleanup for OpenStack Compute (nova)

Miscellaneous cleanups whilst doing v2->v3 API conversion. Holder for minor cleanups we want to do