Use guava.version property and otherwise inherit deps for jclouds-management and jclouds-representations.
JCLOUDS-758 Drop VirtualBox labs provider.
JCLOUDS-292: Added CloudSigma2 ComputeService

* Added the ComputeService implementation
* Added the San Jose region
* Added the Honolulu region
JCLOUDS-750 Start using AutoValue on Docker.