Fix NullPointerException.

If we don't get a location (e.g. because there's no running network
location provider and there was no GPS fix yet), refuse the update
instead of crashing.

Change-Id: Ia09a3557b0a829fa6f2676f17bcc0858a86e8580
Goodbye Chronus, it was nice knowing you (1 of 2)

Change-Id: I81740c068fa590d02e48c9ab61068bc27c95c0d0
Apply CLUSTER UI