Add pricing_id_two field to the cdr table.
Implement source pricing. A CDR can now be matched against two pricings: one for the source, and one for the destination. This prevents having to add a pricing rule for every source-destination combination which doesn't scale.
Fix pricing test after addition of legreason field.
Merge branch 'sourcepricing'
Merge branch 'master' of github.com:Limesco/limesco-infra