tree 6f57805ab3e660cc45383d7fb4c0f37f9da31159
parent 242391e530e06f5b0317e2b454810c9505a8a389
author Yuta HIGUCHI <y-higuchi@onlab.us> 1402357148 -0700
committer Gerrit Code Review <gerrit2@gerrit.onos.onlab.us> 1402439631 -0700

Add ZooKeeper leadership related log.

- Raised mastership change log to info
- Log suppressed event at debug level.

Change-Id: If53b342e5de96eb447d3016f7fa674a7ed71a293