HBASE-8172 Fix ./bin/*.rb scripts or remove them

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1461163 13f79535-47bb-0310-9956-ffa450edef68
HBASE-7908 Add jstack logs in hbase-common.sh when killing the server

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1461167 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8005 DemoClient.cpp can not be built correctly

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1461177 13f79535-47bb-0310-9956-ffa450edef68