HBASE-12666 TestAssignmentManager hanging; add timeouts
HBASE-12493 Make User and TokenUtil public

Conflicts:
	hbase-common/src/main/java/org/apache/hadoop/hbase/security/User.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/mapred/TableMapReduceUtil.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/mapreduce/TableMapReduceUtil.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/security/token/TokenUtil.java
	hbase-server/src/test/java/org/apache/hadoop/hbase/security/token/TestTokenAuthentication.java
HBASE-12348 preModifyColumn and preDeleteColumn in AC denies user to perform its operation though it has required rights

Signed-off-by: Andrew Purtell <apurtell@apache.org>
HBASE-12686 Failures in split before PONR not clearing the daughter regions from regions in transition during rollback (Vandana Ayyalasomayajula)
HBASE-12696 Possible NPE in HRegionFileSystem#splitStoreFile when skipStoreFileRangeCheck in splitPolicy return true(Rajeshbabu)
HBASE-12493 User class should provide a way to re-use existing token - addendum for hadoop-1
Update CHANGES.txt for 0.98.9RC1
HBASE-12699 undefined method 'setAsyncLogFlush' exception thrown when setting DEFERRED_LOG_FLUSH=>true (Stephen Jiang)
HBASE-12121 maven release plugin does not allow for customized goals (Enoch Hsu)

Conflicts:
	pom.xml
HBASE-12223 MultiTableInputFormatBase.getSplits is too slow (Yuanbo Peng)
HBASE-12722 Backport TestMultiTableInputFormat to 0.98 branch
HBASE-12694 testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition (Vandana Ayyalasomayajula)
Revert "HBASE-12694 testTableExistsIfTheSpecifiedTableRegionIsSplitParent in TestSplitTransactionOnCluster class leaves regions in transition (Vandana Ayyalasomayajula)"

This reverts commit 51cb0fe6eb3244de40dd508c9d68cb98e2ca4eca.
HBASE-12724 Upgrade the interface audience of RegionScanner from Private to LimitedPrivate
HBASE-12715 getLastSequenceId always return -1

Signed-off-by: Andrew Purtell <apurtell@apache.org>
HBASE-12720 Make InternalScan LimitedPrivate (Vladimir Rodionov)
HBASE-12732 Log messages in FileLink#tryOpen are reversed (Tobi Vollebregt)
HBASE-12709 [mvn] Add unit test excludes command line flag to the build