Updated some small trigger areas and lighting.

Lighting changes.
Main curved semi ramp has been redone old school style to minimise ramp bugs.
Map Size is slightly bigger in exchange for fixes.

Mesh/collision changes on border.
Trigger changes and movements
Arrows now all move correctly.
Lighting updates.
Gravity section area slightly smaller

Moving meshes to indicate direction (Thanks to Fluzoo)
Lighting updated so all areas visible now.
Some visual bug fixes
More details on displaced surfaces.
Zone and push tirgger updates.

Lighting updated so map is now not completely dark.
Zones added for start, end and checkpoint
LOS and Cubemaps added
Still more lighting to be done where weapons are blacked out.

Created Surf_FrostEdge (Playtesting Only).