Intermediate commit during restructuring Slugs to have a Slugs Variable Manager
Revert "Intermediate commit during restructuring Slugs to have a Slugs Variable Manager"

This reverts commit 6de3cb4541b3a54070539e1f8fe15536504b9a74.
Revert "Revert "Intermediate commit during restructuring Slugs to have a Slugs Variable Manager""

This reverts commit 8ee68dad092d479655852fbef4ffff799474a121.
Before merging with Vasu's changes
Merge Vasu's changes on Fast/Slow with mine on restructuring slugs

Conflicts:
	src/extensionIROSfastslow.hpp
	src/gr1context.hpp
First alpha-testing candidate for the Slugs Variable Manager