Using faker in production
Added more post tests, refactored home page

Also added helper to wrap long words.
Added more delete post tests
Modeled following users
organized sample data rake tasks
Added follower/followed stats & buttons
Added views to show followers
Made Follow & Unfollow buttons working
Fixed broken authentication, added ajax follow/unfollow tests
Added ajax follow/unfollow functionality
Implemented initial followed user status feed
Improved status feed