[request] drop the user argument for set_session
I see no code nor test that use this optional argument. removing it help to
clean the session code. The set_session function will soon be deprecated anyway (at the
same time than the dbapi)
related to #2503918
$(document).ready(function() {
$('a.rhythm').click(function (event){
$('div#pageContent').toggleClass('rhythm_bg');
$('div#page').toggleClass('rhythm_bg');
event.preventDefault();
});
});