Fixed MFS cfgs for all parts.

Condensed Kethane cfgs into single part;
WARNING: Known glitch with MFS 3.3, if Kethane is not installed, Kethane HexCans will crash loader. Delete Kethane.cfg if you do not use Kethane. Fix for 0.23 MFT/RF is expected.

Fixed Kethane texture not being correctly mirrored.

Compatable with 0.22, 0.23 compatability unknown