Enabled settings fetching for credit score configuration.
Added credit utilization limit factor to config. Fixed tau bug.
Added interfaces for new CreditHistory framework.
More comments to skeleton of creditScoreUpdate. Eventually going to move
to CreditHistory.
Added method for getting a custom dissipation factor from CreditEvents.
Added missing credit event types.
Added more comment guidance.
Made getCreditScoreSettings static.
Removed duplicate type.
Added factory private class for producing credit events.
Adjusted automatic score setting to avoid having minimum and maximum be
the same in any event.
Updated DB tables.
Worked on implementing constructor.
Added method to retrieve all FinancialEntities.
Updated credit scores to be able to use doubles.
Added method to set credit score for financial entity.
Implemented score migration method.