HBASE-12271 Add counters for files skipped during snapshot export

Add counters for skipped files

Signed-off-by: Elliott Clark <eclark@apache.org>
HBASE-9157: ZKUtil.blockUntilAvailable loops forever with non-recoverable errors
HBASE-12265 HBase shell 'show_filters' points to internal Facebook URL
HBASE-12274 Race between RegionScannerImpl#nextInternal() and RegionScannerImpl#close() may produce null pointer exception
HBASE-12261 Add checkstyle to HBase build process

Conflicts:
	dev-support/test-patch.sh
	pom.xml
HBASE-12264 ImportTsv should fail fast if output is not specified and table does not exist (Ashish)
HBASE-12229 NullPointerException in SnapshotTestingUtils (Dima Spivak)
HBASE-12161 Add support for grant/revoke on namespaces in AccessControlClient (Srikanth Srungarapu)
Update version to 0.98.8-SNAPSHOT
HBASE-12278 Race condition in TestSecureLoadIncrementalHFilesSplitRecovery (Dima Spivak)
Update version to 0.98.8-SNAPSHOT in hbase-checkstyle POM
HBASE-12294 Fix site generation
HBASE-10082 Describe 'table' output is all on one line, could use better formatting (Srikanth Srungarapu)
HBASE-12226 TestAccessController#testPermissionList failing on master (Srikranth Srungarapu)

Conflicts:
	hbase-server/src/test/java/org/apache/hadoop/hbase/security/access/TestAccessController.java
HBASE-12308 Fix typo in hbase-rest profile name (Solomon Duskis)
HBASE-12294 Addendum
HBASE-12302 VisibilityClient getAuths does not propagate remote service exception correctly (Jerry He)
HBASE-12243 HBaseFsck should auto set ignorePreCheckPermission to true if no fix option is set (Yi Deng)

Signed-off-by: Jonathan M Hsieh <jmhsieh@apache.org>
HBASE-12294 Addendum Two
HBASE-12316 test-patch.sh (Hadoop-QA) outputs the wrong release audit warnings URL

Signed-off-by: stack <stack@apache.org>