Fix #5449 - Eliminate the Singleton templated class and the StaticInitializer one#5450

jmarrec merged 11 commits intodevelopNatLabRockies/OpenStudio:developfrom

5449_RemoveSingleton_StaticInitializerNatLabRockies/OpenStudio:5449_RemoveSingleton_StaticInitializerCopy head branch name to clipboard