actually displaying the facebook results(first time connection), updating attributes instead of discarding the changes

making the service users badge wider, added a commented out seed step for having some service user data

Addded Diaspora::Likeable module.  Corrected the unique index for likes to include author_id; extracted before_save callback needed for tags into Diaspora::Taggable.

Huge commit I know, but move show and destroy routes into PostsController and PostsController#show into PublicsController