9 tool manuals added

9 more tool manuals and parts lists have been added recently:

Black & Decker:
   - 1 grinder manual

DeWalt:
   - 1 nailer manual

Hilti:
   - 1 saw manual

Makita:
   - 2 nailer parts lists
   - 1 power cutter manual, 1 power cutter parts list
   - 1 saw manual, 1 saw parts list