HBASE-9204 An Offline SplitParent Region can be assigned breaking split references

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1514751 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9238 bug in Mutation::getFamilyMap

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.95@1514773 13f79535-47bb-0310-9956-ffa450edef68