make all fixed prices region specific

[swaroopar]

• [ ] fixedPrice, markupPrice and licensePrice must be made region specific.
• [ ] Make it a list as below

       fixedPrice
         - region: eu-west-101
           price:
             cost: 12.20
             currency: EUR
             period: yearly
         - region: any
            price:
              cost: 13.00
              currency: USD
              period: yearly

• [ ] We must define a special region name any. When this provided, prices for all unknown regions are calculated using this configuration.