Changeset 3881 for trunk/sources/HeuristicLab.Problems.ExternalEvaluation/3.3/Converters

#866

• Added license headers to designer files
• Refactored message building, to be user customizable and better extendable
  • A SolutionMessageBuilder holds several Converters
  • A Converter specifies several types to convert and a conversion method
• ExternalEvaluator has the message builder as parameter and exposes it to the UI through the parameters collection
• The proto file has been updated to include a length field in the array variables
• Converters exist for all types in HeuristicLab.Data