[DON'T MERGE] comments

created a pull request to be able to comment on files
once we use require.js we will be able to scope these on view level. if they have to persist throughout a users session, it's best to use [sessionstorage](https://www.inkling.com/read/javascript-definitive-guide-david-flanagan-6th/chapter-20/localstorage-and-sessionstorage).