First release of banks_fetch

banks_fetch allows to fetch accounts and transactions from your banks and to store them in a PostgreSQL database.

This first release contains :

• an ING module to connect to ING bank. It implements connection, accounts fetching and transactions fetching.
• an architecture to fetch accounts and transactions every 4 hours and store them in a database.

Errors are logged with lager and banks_fetch may be monitored with prometheus (network connections).