12 mower manuals added

12 mower manuals and parts lists were added recently.

- Cox: 1 mower manual
- Cub Cadet: 1 mower manual, 1 mower parts list
- DuroStar: 1 mower manual
- Fiskars: 1 mower manual
- Howard Price: 4 mower parts lists
- Talon: 1 mower parts list
- Webb: 1 mower manual
- Woods: 1 mower manual

DuroStar lawn mower manuals

Owner's manuals:
- DuroStar DS1200LD Lawn Star Cylinder Push Mower
- DuroStar DS1600LD / DS2000LD Push Mower
- DuroStar Reel Mower (unspecified model)