committing to avoid merge
UGHHHH
Merge pull request #49 from monicaedavidson/hannahbranch

Clears input area after list is populated
adds the function that ends the timer when all items are crossed out
Delete test.html
Delete results.html
Delete start.html
Delete layout_results.css
Merge pull request #51 from monicaedavidson/monicasbranch

adds the function that ends the timer when all items are crossed out
Removes option to add non-default item to list