Chatterly

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New Features:
- Removed app subscription
- Added QR code generation
- Added write camera, and QR scan buttons to dashboard
- Added PayPal support

Fixes:
- Fixed hardware keyboard enter not doing anything on welcome screen
- Fixed back history filling up
- Fixed decryption error causing icon to flicker
- Fixed Flickr image downloads using cellular data
- Fixed crash when searching a contact with no display name
- Fixed a missing invite option
- Fixed URL matching