Fix disfunctional padding in wallet backups. The bug did never surface because we only encrypt strings which are zero terminated anyway.
Remove precision warning dialog.
On devices which are vulnerable to OpenSSL heartbleed, disable direct payments via HTTP,  BIP72 fetching of payment requests and fetching exchange rates.
3.44
prod: Remove 'test' flavor from version
prod: Widget preview
prod: App icon
prod: App name