Finished the PickupEventTest.cs
Created EventTestingUtilities.cs with helper methods used in tests.
Documented tests.
Merge branch 'master' of https://github.com/boschbc/NaoRobot

Conflicts:
	Naovigate.Test/Communication/CommunicationStreamTest.cs
	Naovigate.Test/Event/EventQueueTest.cs
	Naovigate.Test/Event/EventTestingUtilities.cs
	Naovigate.Test/Event/GoalToNao/PickupEventTest.cs
	Naovigate.Test/Util/PriorityQueueTest.cs
	src/Grabbing/Grabber.cs
	src/MainProgram.cs
	src/Movement/Walk.cs