* Add RebootVM function.
* Fix error reporting memory units in OCCI connector.
* Add support to MongoDB.
* Fix error Unable to get cloud-init contextualization to work with GCE in 1.7.5 & above.
* Enable to force OpenID auth.
* Do not stop ctxt process in all VMs in case of failure in a previous step.
* Fix error contextualization never ends if a VM is deleted during context step.