update

this will be a pretty major update. ~~hope to get it done by friday.~~

## Todo

- [x] finish remaining updates (just a couple pages)
- [x] make sure there are no unreferenced images
- [x] write payments article/section
- [x] signatures article
I think you may have misread my comment. The sentence in question: 

>  To associate a rating field with a specific response field, select the appropriate response field from the "Rating for..." dropdown.