- separation between Wallet and key management (Keystore)
- simplification of wallet classes
- remove support for multiple accounts in the same wallet
- add support for OP_RETURN to Trezor plugin
- split multi-accounts wallets for backward compatibility
They used to be confused as a user cancel.
Fixes#1788
Also fix Cancel pressed in passphrase dialog when *restoring*
a hardware wallet in install wizard; it used to be taken as an
empty passphrase. Like the password dialog it now cancels the
wizard.
Move session timeout from wallet to config
Prevent timeouts whenever a device operation is in progress
Move timeout job from each plugin to device manager