Add "Live-sanity" test profile

- convert MySqlLiveRackspaceTest to java, from groovy
- mark as live-sanity:
-- JBoss7ServerEc2LiveTest.test_CentOS_6_3
-- MySqlLiveRackspaceTest.test_Ubuntu_12_0

e.g. run `mvn clean verify -PEntities,Locations,Live-sanity -Dmaven.test.failure.ignore=true`