* Removed portal based music interactions

* The music volume can now be changed via the ingame volume slider

* Color / sprite tweaks

* Added a minor clarification where player should go

* Changed the logic regarding first cube drop

* Changed the appearance of certain models

* Fixed some of the models not having collision

* Fixed the ability to place portals on plywood (don't even question how that was overlooked)

* Fixed a case where portalgun was not equiped if using custom files associated with it

* Made the vactube cubes travel slower to reduce flashing lights and to increase performance

* Made the music less loud

* Slight misc. tweaks

* Fixed some brushes

* Added a light above laser relay to make the visibility better

* Minor overlay changes

* Tweaked some colors

* Tweaked player clip brushes

* Made the voting panel appear a bit later

* Made env_projectedtexture less overexposed

* Lowered volume of the music

* Made fake volumetric lighting less noticeable

* Tweaked some props illumposition

* Made the voting panel appear a bit later