Add method that return an abbreviated string representation of a location
Override equals and hashcode methods
Add Job factory method
Set resource state to DELETED instead of ERROR if connector cannot find the resource
Change period of resource watcher clean-up to 5 minutes
when deleting a Machine in ERROR state without a provider id, delete it from the inventory
Add operation to remove an image from the inventory without deleting it on the provider
Fix assertion argument order
Set default Job status to RUNNING
Remember Keystone token expiration time
Look-up connector using object equality instead of id