appsdk-bump-app-catalog 479 bumping sdk to 1974-cf742d4

sdk commit: RallySoftware/appsdk@749b7dfce0101238b5225bb41d7e8f4cf7b62699
author: Trevor Farlow
message: DE20685: only avoid Unscheduled on iterationstatus page

sdk commit: RallySoftware/appsdk@cf742d4b0247628aa0204a14415dcb7a461d558d
author: Kevin Roberts and Trevor Farlow
message: Revert "DE20685: only avoid Unscheduled on iterationstatus page"