entityList implementation changed to CopyOnWriteArrayList
fixes ConcurrentModificationException during iteration when a new entity (eventHandler) is added
Fixed part of javadoc for Java8
minor update in distributed capability register
Added distributed capability register
Added distributed capability register (distributed using communicators)
Merge with 32c2270f7b29c8087a6211971d5fe054941bba23
Added a unique event id. In result, the event processor can now guarantee that events scheduled for the same simulation time will be fired in the order in which they were added to the event queue.
Merge with fbe465433c0dbc7ba330830e4e1f030b3c866e97
Fixes according to FindBugs
Added EventHandlerAdapter class.
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