LAC ProBox Pack Realistic Pricing

This is an update to the original ProBox that was released on the in-game Modhub.

File has been optimized to 1 i3d with store configurations.

-Addition of a lid. (Thanks to Western Iowa)
-Addition of 12 alternate crop types. (13 total crop types)
-Addition of 21 alternate brands. (22 total Brands)
-Fixed the strap-ability issue where the strap wouldn't actually grab the box.
-Collision for the forks on the bottom of the box have been adjusted and no longer stick.
-Overall physics improvements.
-Realistic Pricing based on real-world seed price.