HBASE-7669 Addendum fixes TestPriorityRpc



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1438853 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7643 HFileArchiver.resolveAndArchive() race condition may lead to snapshot data loss

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1438972 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7682 Replace HRegion custom File-System debug, with FSUtils.logFileSystemState()

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1438974 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7681 Address some recent random test failures

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1439003 13f79535-47bb-0310-9956-ffa450edef68
Move HRegion File-System related operations to the HRegionFileSystem class
Refactor HStore to use HRegionFileSystem (step 1)
Start moving the creation of the files to the HRegionFileSystem
TODO: wrong written test, this should be open