rather than hard-coded "SD Card" etc. to work in non-English cases;
fix password dialog to fit, and simplify it; fix backspace on
smartphone for all dialogs with EDIT fields to actually backspace
rather than exiting app; and in main window have it raise focus. This
change requires SHSendBackToFocusWindow(), which is not yet in cegcc.
Until I get a patch accepted this breaks wince builds.