Implemented helper method "VersionFromWorkspace" and added a test case
Calling "MigrationManager.VersionFromWorkspace" where appropriate
Removed "NodeMigrationException" as it is no longer applicable/used
Implemented "MigrationManager.GetBackupFolder" helper method
Unresolved node types now result in dummy nodes
Merge branch 'ChocoButter-2Become1' into MigrationManagerFixes
Cleanup visualizations when there is only one node that drew something which is then deleted.
Update LibG binaries
Merge pull request #1226 from Randy-Ma/ChocoButter-2Become1

Update LibG binaries
Merge branch 'ChocoButter-2Become1' into MigrationManagerFixes
Introduced "Configurations.BackupFolderName" to store the string "backup"
Merge pull request #1211 from Benglin/MigrationManagerFixes

Various migration manager fixes
Merge remote-tracking branch 'upstream/ChocoButter-2Become1' into ChocoButter-2Become1