Updated Maps

Alley:
+New theater videos!
+Cool theater light effect.
+Light clusters for internal compiling for full or final.

-Skybox is gone......... lul

*Fixed weird shadows caused by skybox (shown above).
*Fixed wood frame crash.
*Fixed weird blue texture found on gas station windows.
*Fixed the map having no 'nodraw' textures.... RHAPID >:/

Flatgrass:
*Changed textures in flatgrass to use updated ones.

Mostly performance fixes and a actual complete compile to help fix
lighting and performance issues. Should be the last update for this map
unless I wanna add something to it. O.o

Highway:
+Added new gravel path and waterway for island hotspot.
+Smashable street signs. ;D

*Changed the detail of the sewer behind the gas station.

Mostly performance fixes and a actual complete compile to help fix
lighting and performance issues caused by the huge areas in the map.

WARNING: Signs may cause lag (rarely).