Merge pull request #41 from andylyall/2014.03

Null check and change cloud name
Merge pull request #42 from andylyall/develop

Develop
[maven-release-plugin] prepare release dasein-cloud-google-2014.03.16
[maven-release-plugin] prepare for next development iteration
Fix for Volume attach/detach
Turn down retry interval
Cache VMProduct List
Increment core version
Fix merge