Refactored "DynamoModel.Reset" and "ResetEngine" methods
Merge branch 'ResetEngine' of https://github.com/Benglin/Dynamo into ResetEngine
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into ResetEngine
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into ResetEngine
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into ResetEngine
Cast to UserControl instead of SearchView
Searchview was renamed to LibraryContainerView
not necessary comments are removed
Comments deleted. functions formatted
Addition of flaky test marker to retrigger a build
Merge pull request #2322 from Benglin/ResetEngine

Refactored "DynamoModel.Reset" and "ResetEngine" methods
Avoid null reference when processing element lookup.

Conflicts:
	src/Libraries/Revit/RevitNodesUI/Selection.cs
Use AddRange instead of ForEach.

Conflicts:
	src/Libraries/Revit/RevitNodesUI/Selection.cs
MAGN-4395: Topology vertices incorrect for Solid
Merge pull request #2358 from vmoyseenko/master

SearchView is renamed to LibraryContainerView
Added shorter version of complex testcase