add instance variable for expired messages for show action
set expired false to message when it gets reply
add action for mine_expired
add expired column to my_stuff
add partial for expired messages
add get request for expired messages to refresh loop
add rules for others stuff to make 2 columnsfor "i accepted" and "not yet accepted"
add filters for expiration to relevant actions
add route for mine_expired
cleanup dashboard partials, add line breaks
add default scope for expiration date ASC to message