Huge fixes for downloads.

1. Updating "roads only" vector maps downloads the full map instead, causing out of memory crashes, flash space running out and other such serious problems.
2. Downloading vector maps does not update the contents of the download settings pages, making the information quickly invalid until killing the app process and opening it again.
4. Removing vector maps can only be done one map at a time, then the display reverts to the "nothing expanded" initial view and the user has to again expand the view and scroll to wherever he/she left off before removing the next one.  This happens a lot when undoing the damage from the broken updater.
5. FIxed issue with sort in localIndex not working correclty.