created Room connection, refactoring createSync
room data is transformed into a useful hash after being returned
board now updates dom
uncommented out code because it works now

unlike before, when it didn't work.
updateCell is now a private function
Merge pull request #7 from nscricco/realtime-sync

Realtime sync
Merge pull request #8 from nscricco/admin

list of amount each user owes with buttons
add share link
Merge branch 'master' into admin
splits confirmed and pending users into two types of DOM elements/formats