Corrected Circle tests
Changed IKeyboard.GetState to a property
Renamed Universe.GetDefault to CreateDefault
Changed IShipController.GetAction() to a property
Renamed SubClass in Extensions to Subclass
Replaced UnRegister with Unregister
updated parameter names in IShip and Ship
Suppressing Unwanted Warnings

All refer to casing or spelling that I don't think we should 'fix'.
Correct spelling mistake Verticies -> Vertices
Renamed Action to Actions (almost) everywhere
Renamed ISpriteBatch Begin and End

To stop warnings about them
Dealt with Dispose warnings
Added formatProvider to String.Format
Replaced Vertices properties with a method

To fix a warning about returning arrays as properties
Removed IDisposable from ContentManager
Added DrawingManagerTests (work in progress)