Store parameters for choosing relayer's bid in a file

[YkeSmit1]

There should also be an option to use another parameter file in the UI.

[eddovandenboom]

Optimization parameters

• Percentage required to continue relaying for slam
• Number of hands to shuffle for sampling

Bidding system parameters

• Requirements to bid 3NT
• Requirements for relay bid
• Required max hcp to bid 4d

[eddovandenboom]

Loaded parameter file should also become a user setting