Can ask to start a VM again if needed

Bugfix on stop and start

Fixed: more VMs are returned by pool

Refactoring

Starting VMs one by one not to overload cloud

Refactoring

Fixed a log failure call

Node pool

Logging StateMonitor end with INFO level

snapshot

Moved to plugins package

Using new core Function, minor log msg changes.

Splitting the project. Cloudstack here.

Bug fix

mock -> unittest.mock