Renamed Configurations.load_conf to load. No need to have conf in there is the module is already named Configurations.
Created the Configurations.loaded? method so we don't need to use the .last method to check if we have a configuration loaded. The .last method should just be for supporting the deprecated Dcmgr.conf method and be deleted once that method's purged from the code.
Cleaned up all Dcmgr.conf deprecation messages I could see when starting collector and hva