HBASE-9101 Addendum to pluggable RpcScheduler

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HBASE-7296 Add hbase.master.loadbalancer.class in the documentation

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523111 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9520 shortcut split asap while requested splitPoint equals with region's startKey

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523124 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9508 Restore some API mistakenly removed in client, mapred*, and common

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1523141 13f79535-47bb-0310-9956-ffa450edef68
hbase-9390: coprocessors observers are not called during a recovery with the new log replay algorithm - 1

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