added Koala gem for facebook graph
added facebook method to user model.
implementing facebook koala gem, gathering and displaying user friends on product index page.
updated root route to user#new to allow user to sign-in/up before viewing the products#index page.
reverting back to index
fixing merged error
moving get_friends method to user model.
fixing merge errors
resolved routes conflict
merging in facebook friend methods

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built model to get your fb friends' open listings
Merge pull request #21 from zoe-g/friends_sales

built model to get your fb friends' open listings
initial email config with sidekiq and unicorn
Removed Sidekiq and Unicorn gems
not working. trying new branch
e-mails working. moving on to sidekiq and unicorn