HBASE-11527 Cluster free memory limit check should consider L2 block cache size also when L2 cache is onheap. (Anoop)
HBASE-11629 Operational concerns for Replication should call out ZooKeeper (Misty Stanley Jones)
HBASE-11611 Addendum to fix hanging tests
HBASE-11661 standalone verification should only look for a single process.

Signed-off-by: stack <stack@apache.org>
HBASE-11333 Remove deprecated class MetaMigrationConvertingToPB
HBASE-11333 Remove deprecated class MetaMigrationConvertingToPB
HBASE-6626 Add a chapter on HDFS in the troubleshooting section of the HBase reference guide (Misty Stanley-Jones)
HBASE-11678 BucketCache ramCache fills heap after running a few hours
HBASE-11697 Improve the 'Too many blocks' message on UI blockcache status page (Mikhail Antonov)
HBASE-11701 Start and end of memstore flush log should be on the same level (Esteban Gutierrez)
Edit of doc on block cache adding reference to blockcache doc with findings recommending when to use offheap blockcache