Created first quad tree implementation

Problems with querying.
Added features to QuadTree

Max depth, remove, many testing / debug features.
Cleanup

Small fixes.
Animation1
Added the dictionary and tuple
ANIMATION COMPLETE!!!
SpriteEffects fliping
Syntax and usings cleanup.
Rigidbody implementation, further cleanup

Core engine is mostly finished. Audio still to be completed, as well as
a few other items.
Converted tasks to comments
Added camera zooming (non-functional)
Added quads to renderer
Worked more on quads
Began work on render targets
Added sprite animations to quads and alpha cutout

Also static factories.
Very minor changes
Add Z sort to rendering using a RenderManager class.
Farseer
Added triggers and parenting
Began work on fan script