Test fixes
Fix regression tests...

Adds another condition to document switching, which points Dynamo at the
active UI document, if its document has been closed.
Fixes regression tests. Parameterized tests now have a test name
matching the folder that they come from and they each own a Dynamo
session.
Hotfix for MAGN-3603

Have the function call node emit parens, to be replaced by a proper fix in 072
Merge branch 'master' of https://github.com/DynamoDS/Dynamo
LibG DLL sync
Merge branch 'master' of https://github.com/DynamoDS/Dynamo into Recharge_Ellensi
Added keyboard shortcut for GraphLayout command