appsdk-bump-app-catalog 583 bumping sdk to 2155-3b8721c

sdk commit: RallySoftware/appsdk@048daf131ae7ccc54d3908fc4f2b207b0ace79cc
author: Stefan Kendall
message: S66238: Don't use StateField for Defect state. In fact, rename

sdk commit: RallySoftware/appsdk@5c5474b467d1c11d2baa249bf0995a90dd0cc3dc
author: Dave Thompson
message: DE20992: added rank to position support for grids using CollectionStores

sdk commit: RallySoftware/appsdk@bf8e3b90a168abfab2613485261e6463e0a42df2
author: Dave Thompson
message: Revert "DE20992: added rank to position support for grids using CollectionStores"

sdk commit: RallySoftware/appsdk@3b8721ccae75c7ff91b42cd01d0b59cadc014811
author: Dave Thompson
message: Reapply "DE20992: added rank to position support for grids using CollectionStores"