HBASE-8545 Meta stuck in transition when it is assigned to a just restarted dead region sever

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1484875 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8575 TestDistributedLogSplitting#testMarkRegionsRecoveringInZK fails intermittently due to lack of online region (Jeff Zhong)



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DOC: Adding chapter for coprocessors

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HBASE-8586 Revisit of hbase-8483, "HConnectionManager can leak ZooKeeper connections when using deleteStaleConnection"

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1484925 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8581 rpc refactor dropped passing the operation timeout through to the rpcclient

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DOC: Add the twitter and flurry meetup notices

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HBASE-8588 [Documentation]: Add information about adding REST and Thrift API kerberos principals to HBase ACL table

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1484953 13f79535-47bb-0310-9956-ffa450edef68
DOC: Cleaned up TM, linked in the coprocessor blog

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DOC: Fix Permission Mapping table layout and grant/revoke optional args

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DOC: TM clean up - addendum

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HBASE-8592 [documentation] some updates for the reference guide regarding recent questions on the ML

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HBASE-8591 Doc Improvement: Replication blog

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Merge branch 'trunk' of https://github.com/apache/hbase into clean
Merge branch 'clean' into ycsb
v1.1