Moved usb_display_info() to screens.c
Added functions queue_wait_w_tmo() and usb_wait_for_disconnect_w_tmo().
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2574 a1c6a512-1295-4272-9138-f99709370657
typedef Menu replaced with a bool.
All code now calls usb_screen() for usb handling.
Nearly all code now deals with USB connect/disconnect properly.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@2401 a1c6a512-1295-4272-9138-f99709370657