Eurotunnel Pack v2.1.0.0

Changelog:
- fixed the body collision and the sale action (2.1)
- added new models: reinforced arch, double straight leg arch, straight leg "L" arch and straight leg "M" arch (2.0)

Eurotunnel Pack contains the following tunnels:
-> reinforced arch with different widths: 8,50 meters, 9,30 meters, 10,40 meters and 12,00 meters. Each width you can choose different lengths: 4,80 meters, 9,60 meters, 14,40 meters and 19,20 meters.
-> single arch with different widths: 6,50 meters, 8,50 meters, 9,30 meters, 10,40 meters and 12,00 meters. Each width you can choose different lengths: 4,80 meters, 9,60 meters, 14,40 meters and 19,20 meters.
-> double straight leg arch with different widths: 34,00 meters, 36,00 meters and 38,00 meters. Each width you can choose different lengths: 4,80 meters, 9,60 meters, 14,40 meters and 19,20 meters.
-> straight leg "L" arch with different widths: 10,00 meters, 12,00 meters, 14,00 meters and 16,00 meters. Each width you can choose different lengths: 4,80 meters, 9,60 meters, 14,40 meters and 19,20 meters.
-> straight leg "M" arch with different widths: 17,00 meters, 18,00 meters and 19,00 meters. Each width you can choose different lengths: 4,80 meters, 9,60 meters, 14,40 meters and 19,20 meters.