Fixed straight_t collision model after trying to optimise it

Added straight_t3
Fixed straight_1024_custom2 collision model

Added a map prop to see if an error on gm_lifevon will be fixed

Added a couple of new textures
Added watertowers

Couple of texture adjustments

Fixed some weird collisions on some props

Added some new tunnel props, not as many though

Also added three new versions of road_t, featuring a central, upper, and lower entry section with reduced pavements for tighter creations. On gm_lifevon, these can be seen being used in the upper railway corridor leading to Level 2.

Updated some models due to weird textures
Fixed pipes missing textures on the ends


Added a UK inspired bus stop

+Fixed housing6's textures woop
+Fixed lifevon_townroad2 collision model
+Added pipe2 set, includes straights, a joint piece, and a valve piece in /infra/pipes/
+Added watertower1 and watertower1b in regprops/objects/

Enjoy!

Fixed some collision models

(Hopefully) Fixed Combine wall x512 collision model
Hopefully sorted out some further texture errors

Fixed textures. Added trashbin 3. Fixed collision of some objects.