SimpleAdapter renamed to ListenerAdapter
Added simplified versions of listeners
Added AbstractListenerTest
Reference management classes renamed
Added control for management type via ManagedObject interface
Added Listener adapter tests
Merge remote-tracking branch 'origin/concurrency' into concurrency

Conflicts:
	src/main/java/ru/vmsoftware/events/DefaultEventManager.java
	src/main/java/ru/vmsoftware/events/Registrar.java
	src/main/java/ru/vmsoftware/events/adapters/ListenerAdapter.java
	src/main/java/ru/vmsoftware/events/collections/CustomWeakOpenLinkedQueue.java
	src/main/java/ru/vmsoftware/events/filters/SameInstanceFilter.java
	src/main/java/ru/vmsoftware/events/listeners/adapters/MethodAdapter.java
	src/test/java/ru/vmsoftware/events/DefaultEventManagerTest.java
	src/test/java/ru/vmsoftware/events/EventDelegatesTest.java
	src/test/java/ru/vmsoftware/events/collections/CustomWeakLinkedListTest.java
	src/test/java/ru/vmsoftware/events/references/AbstractReferenceContainerTest.java