Hay maker windrowers pack

A convertion of all the vanilla windrowers into tedders, so we can save some time on field works.
Implements converted:
Sip Favorit 254
Pottinger Top 342
Samasz Z2-840 H
Krone Swadro TS970
Kuhn GA 15131
Kuhn Merge Max 950
Class Liner 4900 Business
Only the Sip AIR 300 F Alp was left out dues too unresolvible log errors.
All stats and requirements are invariated.