HBASE-11997 CopyTable with bulkload (Yi Deng)
HBASE-12198 Fix the bug of not updating location cache

Summary:  # Clear the cache of the server when failed

Test Plan: Add testcase `TestHTableMultiplexerFlushCache` to reproduce the bug.

Differential Revision: https://reviews.facebook.net/D24603

Signed-off-by: Elliott Clark <elliott@fb.com>
Signed-off-by: Elliott Clark <eclark@apache.org>
HBASE-12109 user_permission command for namespace does not return correct result (Vandana Ayyalasomayajula)
HBASE-11990 Make setting the start and stop row for a specific prefix easier (Niels Basjes)

Conflicts:
	hbase-server/src/test/java/org/apache/hadoop/hbase/filter/TestFilterWithScanLimits.java
	src/main/docbkx/book.xml
HBASE-12218 Make HBaseCommonTestingUtil#deleteDir try harder
Add hedgedReads and hedgedReadWins count metrics

Conflicts:
	hbase-server/src/test/java/org/apache/hadoop/hbase/util/TestFSUtils.java
HBASE-12183 FuzzyRowFilter doesn't support reverse scans
HBASE-12212 HBaseTestingUtility#waitUntilAllRegionsAssigned should wait for RegionStates

Signed-off-by: stack <stack@apache.org>
HBASE-12189 Fix new issues found by coverity static analysis

Conflicts:
	hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/QuotaState.java
	hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/UserQuotaState.java