fixed facebook fetcher, takes array of urls and outputs hash of values.
Seed file populated
Merge pull request #12 from chorus-frogs-2014/backend

Backend
updated schema
Merge branch 'master' into add_social_scores
Merge branch 'seed'
adding social scores methods
Merge branch 'add_social_scores'
Seeds created for User, 2 Articles, 1 Feed with associations
Merge pull request #13 from chorus-frogs-2014/seed-db

Seed db
really commiting new files for feed and article controllers
merges seed database into local branch

Merge branch 'master' into backend
adds a method to return all the current articles for a user and relevant route