improve starting, stopping, and retrieving of the running instance for
improve starting, stopping, and retrieving of the running instance for

actors implementing the GenericServer behavior module

pingworks/berkshelf-api-binrepo-store,damacus/berkshelf-api,pantheon-systems/berkshelf-api,damacus/berkshelf-api,pantheon-systems/berkshelf-api,gueux/berkshelf-api,gueux/berkshelf-api,pingworks/berkshelf-api-binrepo-store,pantheon-systems/berkshelf-api,pingworks/berkshelf-api-binrepo-store,damacus/berkshelf-api,gueux/berkshelf-api