re-packed custom assets, forgot to do that recently! oops

* completely changed the 3d skybox, it now has a giant glass dome. (inspired by the recent release of "the entropy centre"; and also the fact i had the model laying around from a previous project)
* changed fog



this is an experimental change and i will probably revert the giant dome if people dont like it; but I wanna see what people think before i do anything else with it.

lots of misc changes i didnt bother documenting this time

* aligned textures on buildings which mysteriously shifted on my end (you guys wont see a difference)
* made the rotating tower antenna dishes check their alignment much more frequently (every 0.1 seconds now rather than 0.5)
* stormfox compatibility: at dusk, the flickering of the lights lasts only 1 second now as they turn on
* removed the wellerman reference and replaced it with a different "mysterious signal"
* wiremod signal box on the rotating tower can now only output at a rate of 10 times per second
* some adjustments to npc pathfinding
* entirely reddesigned my gmod mapping pipeline for packing custom models, materials, etc. into maps (needed due to several hard drive changes and other file stsytem shenanigans)

* added wiremod output to the rotating tower
* fixed a ladder on the scaffold-like building
* disabled physgun on the switching track
* some detailing work


i also did some soundscape changes. let me know if the soundscapes work better or worse now. or the same.

* added a whole new version of the map "gm_fennecai_christmas" which is a winter themed version of the map
* other potential changes that have not been properly documented (oops)

re-packed materials etc... this should fix them...again. other misc changes possible aswell

re attempted content packing, there shouldnt be errors this time

various updates and aditions i forgot to write down. this is probably the final version of the map.

* added a new building #14: a hangar with a runway

* changed the wall colors to a custom blue texture, and fixed up the insides to a more correct plaster/drywall material similar to gm_construct

* fixed the #11 elevator

* added additional compatability for stormfox 2- some buildings now light up at night

* npc node tweaks

* the ladder up #13 tower now works correctly

* lots of other stuff i forgot about probably