Android update 2.2

This release brings:

Video compression (Android 4.3+)

Launch video camera directly from chat

Display text messages as QR code, scan any QR code and send as a text message (Facilitates transferring passwords etc. from a chat message to another device)

Individual wallpapers for each chat

Optionally save encrypted ID to Android Backup (if enabled)

Preparations for advanced group administration

Bug fixes and improvements