13 more lawn mower manuals added

13 more lawn mower owner's manuals, parts lists and service manuals were added recently, for the following brands:

- Craftsman: 1 lawn mower owner's manual, 1 lawn mower parts manual
- Husqvarna: 3 lawn mower parts manuals
- Qualcast: 3 lawn mower assembly manuals
- Scotts: 1 lawn mower owner's manual
- Toro: 1 lawn mower owner's manual, 1 lawn mower parts manual, 2 lawn mower service manuals