Bug fixed: Return value from the Production assigner.
Bug fixed: Bean compliant definition of OffersConfirmationPredicate.
Bug fixed: Calculation of the offer in the BasicOffersSolver.
Bug fixed: Iterating over the offers in BasicOffersSolver.
Bug fixed: Reply to the OfferAction is now detected.
Bug fixed: Confimations on the offer are summed together.
Bug fixed: Building and sending the FinishAction from the ASPEM.

At this point, a very basic simulation works. In this simulation there
are a producer, a consumer and only one block.