Fix FollowTheSunPolicyTest sensitivity

- and some general code tidy, to remove warnings
Convert ActiveMqIntegrationTest from groovy to java
Fix ActiveMQIntegrationTest
Tidy KafkaIntegrationTest
surefire: increase mem for tests; add verbose:gc
relax VanillaSoftwarePRocessAndChildrenIntegrationTest

- relax time assertions
Fix Kafka integration tests

- fix mmx port setting (for internal-jmx, and jmxmp agent collision)
Merge pull request #1256 from aledsage/fix/integration-tests-20140314

Fix/integration tests 20140314