* huge overhaul of the "Versions" list in the App Details screen, and many other UI improvements, thanks to new contributor @wsdfhjxc

* fix keyboard/d-pad navigation in many places, thanks to new contributor @doeffinger

* show "Open" button when media is installed and viewable

* add Share button to "Installed Apps" to export CSV list

* add clickable list of APKs to the swap HTML index page 

* retry index downloads from mirrors

* fix "Send F-Droid via Bluetooth" on recent Android versions