HBASE-7603 refactor storefile management in HStore in order to support things like LevelDB-style compactions (Sergey)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1444262 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7784 move the code related to compaction selection specific to default compaction policy, into default compaction policy (from HStore) (Sergey)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1444298 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7777. HBCK check for lingering split parents should check for child regions

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1444311 13f79535-47bb-0310-9956-ffa450edef68