Fix roads

Updated walls/combine/fortbox_logo_walkway (uses less brushes, texture adjustment)
Updated walls/combine/fortbox_lone (uses less brushes, texture adjustment)
Updated walls/combine/fortbox_walkway (uses less brushes, texture adjustment)
Updated walls/combine/wallentry_startright (uses less brushes, ramp adjusted, clip model changed)
Updated walls/combine/wallentry_startleft (uses less brushes, ramp adjusted, clip model changed)
Added pillar6 set to infra/supports/
Added pillar7 set to infra/supports/
Added corpoffice4 to buildings/nonacc/
Added a new set of tall Combine walls with 1-brush hitboxes, featuring 256, 384, and 512 height variants to walls/combine/tall/
Added zone1 to mprops/blackprise/
Added indus_tun1 to mprops/blackprise/
Added indus_zone1 + zone 2 to mprops/blackprise/
Added indus_wall1 to mprops/blackprise/
Added indus_highwayramp to mprops/blackprise

Added corpoffice3 to buildings/nonacc/
Added light19 to lighting
Added light19_168 to lighting
Added light20 and the following to lighting: _2, _3, _corner, _corner2, _corner3, _small, _small2, _small3
Added shieldgenerator_big to regprops/citystuff/
Added shieldgenerator2_thin, medium and big to regprops/citystuff/

Remade shieldgenerator in regprops/citystuff/ to better fit the newer shield generators.

Shieldgenerator and _big now represent large heavy duty style generators, and the second series are more closer to the original size and style of the Half-Life 2 generators

Added foliage pack

You thought I was forgetting my awesome pack?!

Added fencing1 and fencing2 pack (brick+bars or wooden fences) containing various lengths and some right angles

Added highway_straight_8192

The infamously noisy looking level crossings are getting second versions! Now you can have the original colourful editions or simplified ones. This goes for the prebuilt double crossing or the manual pieces for single or additional tracks.

Forgot to add a few custom track pieces

Added housing 65
Added housing 66