refactor: move templates into separate files instead of one increasingly large and unweildy html file
refactor: move template js into screen-specific files and out of breadwithfriends.js
refactor: drop model.js, move into separate files by data type
refactor: move allUserData to breadwithfriends.js, will have all pubs and subs here in the future
added comments
refactor: getUserShortName utility method (moved from mealDetails)