Add new configuration files for ceilometer

According to patch: https://review.openstack.org/#/c/77957/, and patch:
https://review.openstack.org/#/c/42713/15, new configuration files named
api_paste.ini and event_definitions.yaml are introduced, this patch
adds them to ceilometer configuration directory.

Change-Id: I57165d588da35f13b2d22629b48dc087502598a7
diff --git a/lib/ceilometer b/lib/ceilometer
index 59f572c..a4be7af 100644
--- a/lib/ceilometer
+++ b/lib/ceilometer
@@ -147,9 +147,12 @@
 
     # Install the policy file for the API server
     cp $CEILOMETER_DIR/etc/ceilometer/policy.json $CEILOMETER_CONF_DIR
-    cp $CEILOMETER_DIR/etc/ceilometer/pipeline.yaml $CEILOMETER_CONF_DIR
     iniset $CEILOMETER_CONF DEFAULT policy_file $CEILOMETER_CONF_DIR/policy.json
 
+    cp $CEILOMETER_DIR/etc/ceilometer/pipeline.yaml $CEILOMETER_CONF_DIR
+    cp $CEILOMETER_DIR/etc/ceilometer/api_paste.ini $CEILOMETER_CONF_DIR
+    cp $CEILOMETER_DIR/etc/ceilometer/event_definitions.yaml $CEILOMETER_CONF_DIR
+
     if [ "$CEILOMETER_PIPELINE_INTERVAL" ]; then
         sed -i "s/interval:.*/interval: ${CEILOMETER_PIPELINE_INTERVAL}/" $CEILOMETER_CONF_DIR/pipeline.yaml
     fi