0.5: move login failure alert to home-page, redirect properly on
failed login
0.5 remove a few script inits from mobile devices (notably tour)
0.5: move sortable & date-picker to tasks.coffee (where they belong)
0.5: upgrade jquery-ui - trying to figure out why drop revert isn't working
0.5: potion reverts position when failed drop
0.5: tidy up some model.on() method signatures. the argument names
were from when I didn't understand model.on
0.5: bug fix when revive & loseItem