CarrierPony: PGP Chat & Files

Fixes notifications arriving well before the message showed up. The app now fetches new messages before its background upkeep, and in the background it fetches first and then posts the notification. Messages that keep failing to open no longer hold up newer ones. Also removes the blank band above the top bar on the main screens.

Disappearing messages are back. Set a timer per conversation, from 1 hour to 4 weeks, and new messages delete themselves when it runs out. 3.0.0 dropped it by mistake. Expired messages now take their attachments with them.<br>Long-press a message to copy its text. Send files from the new button at the bottom of the Files tab.<br>With App Lock on, rotating the phone, sharing a file or opening a lin

Pairing finishes reliably: if your app was closed when someone accepted your invite, it now completes the next time you open it, for up to 30 days.<br>Messages from someone whose pairing has not finished on your phone are kept and open once it does, instead of being dropped.<br>A conversation now says when the other side has not finished pairing yet.