Trailer NEFAZ 1.28.x

An updated version of the trailer NEFAZ.
- Standalone, attach paws, running advanced coupler, registered the wheels default, they are many times easier than those that were, adjusted the height of the saddle of default traks. With flowers did not bother, made one yellow.
- If someone else wants another, just rename one of the files istock.dds (yellow source), tent_blue.dds (blue), tent1.dds (gray) in tent.dds and zakinte into the archive with a replacement.