changed port #
added displayName to friends page
started addFriend route
Merge branch 'master' of https://github.com/amstone326/PennBook

merge.
Major Changes: created kvshelper.js with lots of functions to be used by all routes, addFriend is fully working using kvshelper methods, removed newFriends database, finished changing port no. to 8080; Needs To Be Done: Fix home.js to use all the methods now in kvshelper.js
posting statuses works using new kvshelper methods
moved keyvaluestore.js to models directory