qnd: in newer versions of RHEL/CentOS/FC MySQL does not have an init script under /etc/init.d/mysqld.
now forced to use service mysqld $ACTION which works for both older and new.


git-svn-id: svn+ssh://kelev.kaltura.com/usr/local/kalsource/backend/server/trunk/on-premise/all@98774 6b8eccd3-e8c5-4e7d-8186-e12b5326b719
qnd: adapted to github paths