23 tool manuals added

23 more tool manuals and parts lists were added recently:

Bostitch:
   - 7 air compressor manuals

Buffalo Tools:
   - 2 cement mixer manuals
   - 1 dolly manual
   - 1 saw manual
   - 1 work stand manual

Craftsman:
   - 1 air compressor parts list

DeWalt:
   - 5 air compressor manuals
   - 1 saw manual, 1 saw parts list

Ingersoll Rand:
   - 1 air compressor manual

Pro Series:
   - 1 drill manual
   - 1 welder manual