Fix install_ceilometer and install_ceilometerclient

Other projects do a setup_develop in install_*. This standard is used by
grenade to do installations. Currently grenade uses install ceilometer
as part of the upgrade script, but this doesn't actually install the new
ceilometer.

Change-Id: I4e44bec6574e6a4fcfc252418bc267191aef28fb
Closes-Bug: #1347178
Merge "Fix install_ceilometer and install_ceilometerclient"