Fix for V subdivision in Divided Surface node

V subdivision was mapped to U subdivision input... again ;-)
#884. Add name to reference plane node.
#884. Condition if no name is supplied.
Merge pull request #914 from riteshchandawar/master

Updated verification so that it takes correct node rather than evaluating on Watch node.
Merge pull request #916 from andydandy74/master

Fix for V subdivision in Divided Surface node
Added 12 test cases for the Nodes which were not having test cases.

- TrueForAll
- TrueForAny
- Smooth
- Average
- Join
- Combine