ATS - Dalton and Elliot Hwy Extreme 1:1 Winter Map

Changelog:
Added new sign at 1 Mile which was added to the Dalton
Also fixed old Dalton sign at 1 mile and added shadow.
Added new company in Fairbanks.
Fixed a few terrain issues and tidied up a couple of areas.
Enabled all trailers that are legal for the roads in Alaska.
This means alot more jobs!
Created a new Cargo, Broken down trucks. You will pick up three at once on a trailer and take them to either Kenworth or Westernstar.
Fixed old Dalton Cargos that were broken and not showing.

Authors: hawkbs