Add sift science meetup
HBASE-11621 Make MiniDFSCluster run faster
HBASE-11609 LoadIncrementalHFiles fails if the namespace is specified (addendum)
mutateRowsWithLocks might require updatesLock.readLock with waitTime=0. ( cuijianwei)
HBASE-11539 Expand info about contributing to and building documentation (Misty Stanley-Jones)