#37 Add a validation output enum with values for Error & Warning
#37 Change ValidationOutput enum to a ConditionOutput enum
#37 move condition type enum
#37 add condition output option and change satisfied to supress or include warnings
#38 improve management of current condition/expression but introducing ICurrentValidatationContext
#37 add the option to add a validation rule that is marked as a warning only, with the functionality to validate/satisfy a model with warnings supressed
Merge pull request #39 from markwoodhall/ValidationWarnings

Validation warnings