Converted to XY system

> Changed various movement classes  to reflect new cooordinate system
(XY, Z=up)
> Rotated level object and moved camera to match.
> Much smaller FOV on camera for more ortho-like view.
> Fixed up TargetZone system. Now works properly with events and such.
TODO: Needs a change to "beingHacked" property, usage too unclear. Make
method?
> Gave spies an omnilight, 2dLight matches radius on InitSpy.