BZ #1075818 - HA Controller tiny memcached fix.

https://bugzilla.redhat.com/show_bug.cgi?id=1075818

Use include to maybe avoid spurious errors such as "Error 400 on
SERVER: Duplicate declaration: Class[Memcached] is already declared".
BZ #1088139 - Add HA Mysql A/P to HA hostgroup

https://bugzilla.redhat.com/show_bug.cgi?id=1088139

Add active/passive HA mysql.