[Review Queue] nova-cloud-controller keystone ceph-radosgw rabbitmq-server

[Liam Young]

Fix upgrades from old versions of the charm
https://code.launchpad.net/~hopem/charms/trusty/nova-cloud-controller/lp1519035/+merge/281991

Configure keystone to always create and sync ssl certs
https://code.launchpad.net/~hopem/charms/trusty/keystone/lp1520339/+merge/279005

Configure rados gateway with certs from keystone so that it can decrypt 
revoked token list
https://code.launchpad.net/~hopem/charms/trusty/ceph-radosgw/lp1520339/+merge/281372

Don't disable HTTP 100-Continue if using ceph optimised packages with 
Apache.
https://code.launchpad.net/~hopem/charms/trusty/ceph-radosgw/lp1515387/+merge/279257

Change the nagios probe for queue size from emitting a CRITICAL to 
emitting an UNKNOWN when the data file scanned exists but does not (yet) 
contain relevant information.
https://code.launchpad.net/~tribaal/charms/trusty/rabbitmq-server/nagios-check-critical-to-unknown/+merge/279232

Thanks to hopem and tribaal for their merge proposals!
Liam