appsdk-bump-app-catalog 282 bumping sdk to 1479-8746d5c

sdk commit: RallySoftware/appsdk@8746d5cecea916ace299e22376b4cb6192d14bbc
author: Andy Gradl and Garston Tremblay
message: DE19948: PJA can seem to add existing User as PJA, but action ends in 'Not authorized to create: ProjectPermission'