20 Craftsman and Husqvarna tool manuals added

20 more tool manuals and parts lists were added recently:

Craftsman:
   - 1 bench grinder manual
   - 1 circular saw manual
   - 1 drill manual
   - 1 drill press manual
   - 1 radial saw manual

Husqvarna:
   - 1 clearing saw manual, 5 clearing saw parts lists
   - 1 drill stand manual, 2 drill stand parts lists
   - 1 floor saw parts list
   - 3 power cutter parts lists
   - 1 power pack parts list
   - 1 table saw parts list