Synnefo

Issue commissions when creating server/networks

Issue commissions to the Quotaholder when creating a VM or a Network.
The VM/Network that is associated with the corresponding serial in DB.
Also, the serial is marked as accepted because at the end of the
transaction the resource will be present in the DB. Even in case the...

Create quotas module

Create quotas module, containing functions for interacting with
the Quotaholder service.

Create QuotaHolderSerial table

Do not automatically update network state

Each modification in a BackendNetwork object, triggers an update
to the corresponding Network object. Until now this was done by
the BackendNetwork save() method. Now it is explicitly done
from the backend pross_network_status.

Fix white space