Use the InternalSetReferencePlane method to set the reference plane.
Update to message, separating cases where the entire function can't be found from cases where the input types don't match
Merge pull request #2618 from DynamoDS/AdjustMethodResolutionWarning

Update messaging around error messaging as per EB's suggestion on previous PR
Merge pull request #2513 from DynamoDS/MAGN-4737

MAGN-4737 Watch node crashes when attempting to process a Revit.Elements.ReferencePlane object.
Merge remote-tracking branch 'origin/master' into Revit2015
Merge branch 'Revit2015' of https://github.com/DynamoDS/Dynamo into Revit2015