Check class loader for entity if not in catalog
MembershipTrackingPolicy: support configuring sensors to track
Merge pull request #731 from aledsage/feature/MembershipTrackingPolicy-sensors

MembershipTrackingPolicy: support configuring sensors to track
Updated use of BROOKLYN_VERSION tags
Merge pull request #727 from grkvlt/rest-entity-create

Check class loader for entity if not in catalog
Merge pull request #734 from grkvlt/brooklyn-version

Updated use of BROOKLYN_VERSION tags
Delete core/src/main/java/brooklyn/entity/basic/Destroy.java since deprecated since 0.4
* deletes the following files because they are deprecated since brooklyn 0.4
* delete core/src/main/java/brooklyn/entity/basic/PostStart.java
* delete core/src/main/java/brooklyn/entity/basic/PreStart.java
* delete core/src/main/java/brooklyn/entity/basic/PreStop.java
deletes core/src/main/java/brooklyn/entity/basic/Create.java since deprecated since brooklyn 0.4
Merge pull request #738 from pveentjer/delete-Create

deletes core/src/main/java/brooklyn/entity/basic/Create.java since depre...
Merge pull request #737 from pveentjer/deletePrePostMethods

* deletes the following files because they are deprecated since brooklyn...
deletes some of the deprectated threading code since they are deprecated since 0.4
* deleted:    core/src/main/java/brooklyn/util/task/SingleThreadedExecution.groovy
* deleted:    core/src/test/java/brooklyn/util/task/SynchronizedExecutionTest.groovy
Merge pull request #736 from pveentjer/delete-Destroy

Delete core/src/main/java/brooklyn/entity/basic/Destroy.java since depre...
Merge pull request #739 from pveentjer/deleteDeprecatedBrooklynUtilTask

deletes some of the deprectated threading code since they are deprecated...
Delete deprecated code

- Code deprecated in 0.4
- Deprecate groovy code in brooklyn.entity.adapter, which requires
  updating some entities to use the new feeds
- Convert some code from groovy to java, to make testing/fixing easier
Fix JmxFeed blocking on start when connection fails

- Previously start() could block for 120 seconds if JMX end-point
  was down; not good for rebind in particular.
- Now JmxFeed does the connect() asynchronously