watch node now properly displays list indexes
mirrored changes to revitwatchhandler
Merge pull request #2257 from Steell/watchnode-list0-indexing

Watch Node now displays list indices: MAGN-4347
Merge branch 'master' of github.com:DynamoDS/Dynamo
Cleanup unused using statements.

Conflicts:
	src/DynamoCore/Models/HomeWorkspaceModel.cs
Do not run the expression when shutting down.

Conflicts:
	src/DynamoCore/Models/DynamoModel.cs
	src/DynamoCore/Models/HomeWorkspaceModel.cs
Remove a debug print.
Remove a debug print.
Remove one more debug print.
Add null checks.

Avoid attempting to load trace data if the engine controller is null.
Added missing comments to CoordinateSystem, added search tag to Mirror
Merge branch 'master' of github.com:DynamoDS/Dynamo
Merge branch 'master' into Revit2015
Merge branch 'Revit2015' of github.com:DynamoDS/Dynamo into Revit2015