HBASE-10996 TestTableSnapshotInputFormatScan fails frequently on 0.94.

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1588012 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10988 Properly wait for server in TestThriftServerCmdLine.

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1588015 13f79535-47bb-0310-9956-ffa450edef68