* major overhaul of swap UI, to prepare for rewriting guts
* show "undo" after swiping away items from the Updates tab (thanks @Hocuri!)
* fix issues with "Latest" display caused by mishandling time zones #1757
* ignore all unimportant crashes in background services
* overhauled nearby swap using the device's hotspot AP
* add new panic responses: app uninstalls and reset repos to default
* USB OTG flash drives can be used as nearby repos and mirrors
