Merge pull request #8 from jsun1/master

Made changes to newsfeed appearance
show individual offer on click
working facebook login
login + logout work
unique fb_id stored in db
correct route to dashboard + adds user_id to offer
offers a user owns appear in dashboard
added TODO for deployment - main.js
added passport modules and added to package
working passport
user feedback + hide nav options when not logged in
can't view nav on splash + working delete
created update form with selected vales - still needs functionality
working update action
adds fb name to replace fb id. Does so through the use of cookies (not best practice)
template view for show offer page
added additional fields to offer model
added buyer_id + buyer_name field to offer model (db becoming messy)
created offer status page
accepting offer works + is updated on owner dashboard