Updated clang-format to Allman instead of GNU
Fixed nullnode definition
Fixed dangerous b2Vec2 operator()
Tweaked formatting
Updated README.md for additional tasks
Merge branch 'master' of https://github.com/ilektron/box2d11

Conflicts:
	.clang-format
	Box2D/Box2D/Collision/b2CollideEdge.cpp
	Box2D/Box2D/Collision/b2Collision.cpp
	Box2D/Box2D/Collision/b2Distance.cpp
	Box2D/Box2D/Collision/b2DynamicTree.cpp
	Box2D/Box2D/Collision/b2DynamicTree.h
	Box2D/Box2D/Collision/b2TimeOfImpact.cpp
	Box2D/Box2D/Dynamics/Contacts/b2ContactSolver.cpp
	Box2D/Box2D/Dynamics/Joints/b2GearJoint.cpp
	Box2D/Box2D/Dynamics/Joints/b2Joint.cpp
	Box2D/Box2D/Dynamics/Joints/b2PrismaticJoint.cpp
	Box2D/Box2D/Dynamics/Joints/b2RevoluteJoint.cpp
	Box2D/Box2D/Dynamics/Joints/b2RopeJoint.cpp
	Box2D/Box2D/Dynamics/Joints/b2WeldJoint.cpp
	Box2D/Box2D/Dynamics/b2Body.cpp
	Box2D/Box2D/Dynamics/b2Body.h
	Box2D/Box2D/Dynamics/b2ContactManager.cpp
	Box2D/Box2D/Dynamics/b2Fixture.cpp
	Box2D/Box2D/Dynamics/b2Island.cpp
	Box2D/Box2D/Dynamics/b2World.cpp
	Box2D/HelloWorld/HelloWorld.cpp
	Box2D/Testbed/Framework/Test.cpp
	Box2D/Testbed/Tests/AddPair.h
	Box2D/Testbed/Tests/ApplyForce.h
	Box2D/Testbed/Tests/BodyTypes.h
	Box2D/Testbed/Tests/Bridge.h
	Box2D/Testbed/Tests/Cantilever.h
	Box2D/Testbed/Tests/Car.h
	Box2D/Testbed/Tests/Chain.h
	Box2D/Testbed/Tests/CompoundShapes.h
	Box2D/Testbed/Tests/Confined.h
	Box2D/Testbed/Tests/ConvexHull.h
	Box2D/Testbed/Tests/ConveyorBelt.h
	Box2D/Testbed/Tests/Dominos.h
	Box2D/Testbed/Tests/DynamicTreeTest.h
	Box2D/Testbed/Tests/HeavyOnLightTwo.h
	Box2D/Testbed/Tests/Mobile.h
	Box2D/Testbed/Tests/MobileBalanced.h
	Box2D/Testbed/Tests/PolyShapes.h
	Box2D/Testbed/Tests/Pyramid.h
	Box2D/Testbed/Tests/RayCast.h
	Box2D/Testbed/Tests/RopeJoint.h
	Box2D/Testbed/Tests/SensorTest.h
	Box2D/Testbed/Tests/SphereStack.h
	Box2D/Testbed/Tests/TheoJansen.h
	Box2D/Testbed/Tests/Tiles.h
	Box2D/Testbed/Tests/Tumbler.h
	Box2D/Testbed/Tests/VaryingFriction.h
	Box2D/Testbed/Tests/VaryingRestitution.h
	Box2D/Testbed/Tests/VerticalStack.h