Fixes KeyError bug with network api associate

Fixes bug in network api associate function where it would always
raise a KeyError when associating or disassociating a project.

Fixes bug 1171284

Change-Id: Iae0e57e0a961b8a3377b38dad72094188755a3e8
Record smoketest dependency on gFlags

The smoketests currently have a dependency on gFlags. Long term, this should
be converted to use openstack.common.cfg; but in the near term, we should
record this existing dependency.

Fixes bug 1174953

Change-Id: I465abc6a4a2e8f7ebd1fe70ad239c760960a82ed
Merge "Record smoketest dependency on gFlags"
Merge "Fixes KeyError bug with network api associate"