Ensichat APK

- removed exit button, made app always run in background
- allow copying device ID to clipboard
- also show QR code for other users
- reconnect to internet nodes if connection was closed
- fixed some crashes

Instant messenger that is fully decentralized, and uses strong end-to-end encryption. Messages are sent directly between devices via Bluetooth or Internet, without any central server. Relay nodes are used to ensure message delivery, even if the target node is offline.

Issue Tracker:
https://github.com/Nutomic/ensichat/issues

Source Code:
https://github.com/Nutomic/ensichat