Disable "copy local" in project settings
Add a recorded test case for dummy node deletion
Implement heap cycle checker

1. Integrate heap checker to LiveRunner on DebugMode
2. Heap corruption tests
Modify return and rename function from VerifyHeapNonCyclic to IsHeapCyclic
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into newMaster
Refactor heap integrity check into a function
Based visibility of "Use Default Value" item on "DefaultValueEnabled"
Remove %dotarg() function
Fix broken testcase
Remove %dotarg() completely
Merge pull request #1517 from ellensi/master

Updates
Merge pull request #1519 from Benglin/MAGN-643

Hide "Use Default Value" menu from output port
Merge pull request #1516 from junmendoza/newMaster

Implement heap cycle checker
Add exception reporting for serialising the string property of reference point

This is a work around to assist in debugging, not a long term solution
New version of LibG, ProtoGeometry, ProtoInterface
Extract end tangents from HermiteFace and use that to perform NurbsSurface fitting
fixes for curtain system
fixes for curtain system 2
Wrap grid curve property call in transaction.
Fix merge conflicts with new version of ProtoGeometry dll's