Associate SSA graphnodes to their final assignment graphnode at codegen

1. Move SSA graphnode association at codegen
2. Remove this functionality from the runtime
Merge pull request #1688 from junmendoza/newMaster

Associate SSA graphnodes to their final assignment graphnode at codegen
Repro for MAGN-3576
Extend Floor to take PolyCurve input
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Add DynamoLauncher project

Adds a program that allows drag and drop launch of Dynamo on top of
Revit. Adds the ability in DynamoRevit to run a file that is passed from
the journal data.
Add debugger attachment.
MAGN-3489

Fix element query to correctly compare family types.
MAGN-3488

Add ForceReexecute to DSElementSelection to ensure that element
selection nodes reexecute on model changes.
Fix SanityCheck test.
Fix Revit core lacing test.
Updated LibG DLLs to fix MAGN-3548
Add throttling to search.

On some machines (mine included), update of the UI during search had
poor performance. We were conducting multiple searches and multiple UI
layout updates whenever a new key was clicked. I've added a timer to
wait 100ms after the most recent update of the search text to actually
conduct a search and update the UI.
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Recharge_Ellensi
Fix