Select the first region in the dropdown by default. (TA21653)
Move ceilometer URL into zOpenStackCeilometerUrl, with UI support to auto-populate it with a reasonable default value.
Get ceilometer URL from zOpenStackCeilometerUrl
Symlink in the poll_openstack.py script. (TA21654)
Fixes in url handling
Merge pull request #20 from zenoss/feature/TA21651_21653_21654

Feature/ta21651 21653 21654