Clean git bridge a bit
[FABRIC-428][FABRIC-433] Improve url handler to work with the container profile overlay. Make sure that lastModified respects hierarchy.
use the profile url handler in the mq and a-mq profiles.
Add means of detecting changes in the broker.xml.
Use the datastore bean instead of service (for now).
[FABRIC-431] Improve name validation pattern. Add a couple of tests.