Creating a model object for Demand
Changing Demand Set and Profile to match the SplitRatio design
Implemented the standard enum CRUDFlag instead of a string
Making the demand model objects compliant with the Model Object Checklist
Adding createDemand method to ScenarioFactory
Fixing conflicts in ScenarioFactory
Changed variable name from demand to flow to match the Oracle schema
Merge pull request #64 from alexeygoder/master

Added new Demand model object and changed DemandProfile to match the SplitRatio design