Prepped for 2013.07 work
use server tags when acting on a specific server rather than splitting the id to get required parts
use server tags for imaging rather than splitting id
upgraded to 2013.07 and image big fixes
Merge pull request #4 from daniellemayne/develop

Upgrade 2013.07 and image bug fixes
mapped azure affinityGroup to dasein dataCenter concept, remove support for creating volumes
ensure affinity group and location read out properly
Merge pull request #6 from daniellemayne/develop

affinityGroup -> dataCenter mapping
Updating license headers
[maven-release-plugin] prepare release dasein-cloud-azure-2013.07
[maven-release-plugin] prepare for next development iteration
Updating pom
Merge branch '2013.07'