Fixed some misplaced textures and geometry

Fixed the water looking brown
Added a peacful soundscape button
Updated nodegraph and navmesh

Fixed MORE missing textures

Fixed some missing textures that were from EP2 and changed them to textures that are in default Garry's Mod.

Fixed the "nodegraph out of date rebuilding" message from appearing

Added more stuff

Fixed some stuff my friend got mad over

Added cubemaps