Log entries on login/logout, tournament new/delete
seeding with javascript drag
minor changes to seeding ui
finished tournament seeding ui

also fixed async.post so that instead of a formdata it expects an object
and builds the formdata from the objects properties/values
minor run_module iu changes
minor changes to run_module/play_tournament

cruft in delete-game caused games to be displayed twice
added round titles to display of single-elim games
single-elim games list hides byes
fixed single elim bracket display
losers' bracket display functions properly
javascript Next Round working