More natlab.Main cleanup
More natlab.Main cleanup

git-svn-id: https://svn.sable.mcgill.ca/mclab/Project@2388 89b902b4-d83f-0410-b942-89f7a419ffdb

Migrated from Sable/mclab@1ae7170dc31641de0e32023fe6b836c969525c78

Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core,Sable/mclab-core