Added IsLibraryLoaded method to LibraryServices
Basic CBN autocomplete implementation
Use the InternalSetReferencePlane method to set the reference plane.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Concurrent
Merge branch 'ShutdownSequence' into Concurrent
Merge branch 'ShutdownSequence' into Concurrent
Merge branch 'BuildFix' into Concurrent
Implemented "PreShutdownCore" for shutdown sequence with scheduler
Implemented "DeleteKeeperElementOnce" for shutdown sequence with scheduler
Removed unwanted methods from "IdlePromise" stub class
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Concurrent
Cleared node warnings in "UpdateGraphAsyncTask.HandleTaskCompletionCore"
Merge branch 'ColorRangeFix' into Concurrent
Merge branch 'ShutdownSequence' into Concurrent
addressed merge conflicts
addressed merge conflicts
Merge pull request #2562 from aparajit-pratap/Intellisense

Updating branch to master
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Concurrent

Conflicts:
	src/DynamoRevit/DynamoRevit.cs
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Concurrent
Remove dead code in RuntimeMemory