Add support for NVP DHCP Gateway
Tidy config
Add openvswitch-switch to list of packages for nvp plugin
Fixup missing ,
Fixup restarts to be NVP conditional
No failovers with nvp plugin
First phase of charm-helper refactoring
Redux to use agree structure and OS templating
Update TODO to remove implemented items.
Drop use of keys
Deal with use of config during install
Sortout context lists
Fixup keying for pluging
Switch to multi-user shared-db context
Fixup configuration for rabbit user/vhost
Fixup quantum.conf template
Fixup rabbitmq in nova.conf
Added unit tests
Remove unused import
Drop errant print in contexts