Make TomcatServerSimpleIntegrationTest more robust
Fix NPE in TomcatServer.disconnectSensors (when inactive)
Fix NPE in AbstractController.update
Add DynamicClusterTest.testDoNotQuarantineFailedEntities
Make TomcatAutoScalerPolicyTest more deterministic
Fix jboss6: use correct jmx-port or pid-file

- twiddle.sh needs configured with the correct rmi-registry port
- if using jmxmp, then can't use twiddle; instead use pid file
  (and rely on JmxFeed to get the service-up)
Merge pull request #1027 from aledsage/fix/06x-integration-tests

Fix various integration tests (in 0.6.x)