Updated openstack/openstack
Project: openstack/ceilometer  44545cd09b07893d3c39248de5731a3503776609

move hbase event driver to event tree

this patch moves the event related code to the hbase driver in
event tree.

Change-Id: Ibc1be241db6360b626d7fb0b1e302f31c2aa4d30
Partially-Implements: blueprint dedicated-event-db