More lawn mower manuals added

13 mower manuals were added to the site over the past couple of days, including:

- Craftsman: 4 mower manuals
- Honda: 2 mower manuals (and 1 bad link fixed)
- Snapper: 2 mower manuals, 1 service manual
- Swisher: 1 mower manual
- Toro: 1 mower manual
- Yard-Man: 2 mower manuals