HBASE-12184 ServerShutdownHandler throws NPE
HBASE-6994 minor doc update about DEFAULT_ACCEPTABLE_FACTOR (Liang Xie)
HBASE-9004 Fix Documentation around Minor Compaction and TTL (Masatake Iwasaki)
HBASE-10411 Add a kerberos 'request is a replay (34)' issue in the Troubleshooting chapter (Takeshi Miao)
HBASE-9005 Improve documentation around KEEP_DELETED_CELLS, time range scans, and delete markers
HBASE-11815 Flush and compaction could just close the tmp writer if there
is an exception
HBASE-12106 Move test annotations to test artifact (Enis Soztutar)
HBASE-11692 Document how and why to do a manual region split

Incorporated Stack's feedback
HBASE-11981 Document how to find the units of measure for a given HBase metric
Exclude dev-support/hbase_docker/README.md from RAT
HBASE-11791 Update docs on visibility tags and ACLs, transparent encryption, secure bulk upload
Amend HBASE-12106 Move test annotations to test artifact (Enis Soztutar)

Add hbase-annotations as a test-jar dependency in hbase-testing-util
HBASE-11838 Enable PREFIX_TREE in integration tests
HBASE-11997 CopyTable with bulkload (Yi Deng)
HBASE-12191 Make TestCacheOnWrite faster.
HBASE-12193 Add missing docbook file to git
HBASE-12016 Reduce number of versions in Meta table. Make it configurable (Andrey Stepachev)
HBASE-12195 Fix dev-support/findHangingTests (Manukranth Kolloju)