isort set to skip the first necessary "from common import *" line. A
better solution would be to get rid of the need of this import in the
future.
[no changelog]
- core/bitcoin: move common files to the app's root
- core/bitcoin: use require_confirm instead of confirm
- core: move bitcoin unrelated functions from 'bitcoin' to a new 'misc' app
- core/bitcoin: use relative imports inside the app
- core: rename wallet app to bitcoin
- core/wallet: replace SigningErrors and the other exception classes with wire.Errors
