15 tool manuals added

15 more tool manuals have been added to the site:

Bosch:
   - 1 saw manual

Chicago Electric:
   - 1 saw manual

Leatherman:
   - 3 multi tool manuals

Ryobi:
   - 2 nailer manuals, 1 nailer manual addendum, 2 nailer parts lists
   - 3 stapler manuals, 2 stapler parts lists