****add relation & index /relationship & valid ***
****add model relation***
****schema file ***
****followed relationship ***
****add stats patial layout ***
****layout css***
****seed  rationship ***
****follow status and number ***
****follow status and number ***
****follow and unfollow patial ship ***
****user controller  following & unfollowing ***
****Add patial layout to show user following  & folloer info  ***
****Add filter user should be signed in before relation  create&destroy ****
****add comment ***
****use ajax to submit follow request  ***
****use ajax to submit unfollow request  ***
****add  js.erb to  response ajax request relation  create/destroy ***
****feed list to show microposts & refacting ***