This commit adds two missing definition files which are
meters.yaml and polling.yaml.
meters.yaml is the meter definition file that used for
ceilometer notification agent to convert meters.
polling.yaml is the polling definition file that used for
ceilometer polling agents to pull meters.
Change-Id: I6b9b7543aa1a77661d6a86166af59fde85085513
Story: 2005019
Task: 29811
Signed-off-by: Angie Wang <angie.wang@windriver.com>
f987595373