remove #find_user from controller use UserLoader class
remove #find_user from controller use UserLoader class

cyanna/switch_user,mitsuru/switch_user,gregmolnar/switch_user,flyerhzm/switch_user,vkill/switch_user,cyanna/switch_user,mitsuru/switch_user,MustWin/switch_user,flyerhzm/switch_user,MustWin/switch_user,vkill/switch_user