HBASE-7566 remove useless ctor from HRegion and move sporadic null checks earlier

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1433288 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7569 change HTD/HCD to use standard byte-byte pair for metadata

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1433289 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7556 TestAdmin depends on the execution order

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1433314 13f79535-47bb-0310-9956-ffa450edef68
Add JetBrains to the sponsors list

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1433321 13f79535-47bb-0310-9956-ffa450edef68