fixed NPE and incorrect logging level
add grizzly networking methods

networking endpoint is different to the compute one so new methods are
needed for all network and subnet operations.
added checks so that this new code is only called if provider is Grizzly
remove commented code
Merge pull request #28 from daniellemayne/2013.07

grizzly additions
revert Grizzly enum addition and key on QUANTUM network type instead
Merge pull request #30 from daniellemayne/2013.07

revert Grizzly enum addition and key on QUANTUM network type instead (2013.07)
Remove tests for release
Fixing pom version
[maven-release-plugin] prepare release dasein-cloud-openstack-2013.07.1
[maven-release-plugin] prepare for next development iteration
Merge branch '2013.07'
Updating pom and restoring tests