Fix MAGN-1967; Clean up some AST nodes
fixes for sorting nodes
Revert "updated usages of Function to CustomNodeInstance"

This reverts commit 5fc82eae913e7692aab47e931e2be5d09d311ee2.
Fix MAGN-2089, MAGN-2088: Rename categories in library view
fixed missing UI for CustomNodes
Fix MAGN-2094: support whitespace in search string
Sanitize query string in search view
Merge remote-tracking branch 'upstream/ChocoButter-2Become1' into ChocoButter-2Become1
Updated Deprecated node test case
Implemented GC for Revit Wrappers
Merge branch 'ChocoButter-2Become1' of https://github.com/ikeough/Dynamo into ChocoButter-2Become1
Fixed ReadImageFile test case
Fixed migration issues

- "List.Create" is changed into "DSCoreNodesUI.CreateList"
- "List.Join" is changed into "DSCore.List.Join"
- "List.Transpose" is changed into built-in function "Transpose"
- "String.Concat" is now a VarArg node
Merge pull request #1216 from ellensi/ChocoButter-2Become1

Fixed migration issues
Merge pull request #1210 from Zhengzi/ChocoButter-2Become1

re-inplement the migration for And/OR
Merge pull request #1215 from aparajit-pratap/FixedTestCases

Updated Deprecated node test case
Nasty merge, fix for Axonometric tests
Re-add AxonometricView tests
Fix FaceIntersect test
Fix non intersecting face test