appsdk-bump-app-catalog 524 bumping sdk to 2044-e157049

sdk commit: RallySoftware/appsdk@e1570499538629447c3b04bdccab1740f2f3fcc8
author: Robb Lee
message: Revert "S64847: TreeGrid refactored to not load models.  Added TreeStoreBuilder to simplfy store creation."