HBASE-9906 Restore snapshot fails to restore the meta edits sporadically

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1539910 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9915 Performance: isSeeked() in EncodedScannerV2 always returns false

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1539936 13f79535-47bb-0310-9956-ffa450edef68