appsdk-bump-app-catalog 328 bumping sdk to 1605-437fd39

sdk commit: RallySoftware/appsdk@9f6ad4aa52ad17ee31cdce33d223c31bc5f29be4
author: Kyle Morse and Alan Brockett
message: Enable loading null timebox scope in sdk bootstrapper

sdk commit: RallySoftware/appsdk@437fd392fbfb9ea1c610e6e08ac46fe0df9e86be
author: Kyle Morse
message: whitespace change to kick off new build