Merge pull request #16 from daniellemayne/2013.07

bugzid 3383: delete service if error occurs on server launch (2013.07)
fix for invalid error when storage account not found
fixed azureOS listing to allow empty string search
Merge pull request #18 from SlavD/2013.07

2013.07
[maven-release-plugin] prepare release dasein-cloud-azure-2013.07.3
[maven-release-plugin] prepare for next development iteration
bugzid 3383: delete service if any error occurs before server successfully launched