refactored relatioship model to much simpler format. follow buttons still work. comments on R model structure in user.rb
commented in new has_many association in user.rb. next will create new migrations, reset database, and set up user following feed
used console to find working definition of a feed for a unique user. it is defined in user.rb. Not yet functional. Use as reference.
Index page now displays feed of stories from followed users only when logged in. If not following anyone, displays all stories.  worked on this Manny
Merge branch 'relationshipfeed'