This commit lowers the default minimum pow for both Waku & Whisper.
We need to override the value as mobile clients have this already stored
in the database.
This is done in order to support sending of images.
- Replace command line flags with `-c` config flag. Part of #1180
- Convert node config private keys to hex-encoded string versions.
- Remove `GenerateConfig` from library.
- Remove unused `FirebaseConfig` from library.
- Fix loading of `config/status-chain-genesis.json` in non-dev machines.
Andrea Maria Piana
Adam Babik
Dmitry
Adam Babik
Pedro Pombeiro
Adam Babik
Adrià Cidre