[Composer] updated the required PHP version to >= 5.3.3
[Event] added the TransitionEventInterface::isEndEvent() method that checks whether the event is connected to the final state or not
[test] added configuration to use Phake into bootstrap.php
[test][Eclipse] added configuration to use Phake
[test] added the TransitionEventTest class
[Event] added the StateInterface::isEndState() method that checks whether the state is connected to the final state or not
[test] added tests for the StateInterface::isEndState() method
added missing constructors