appsdk-bump-app-catalog 53 bumping sdk to 2575-0c7f635

sdk commit: RallySoftware/appsdk@1d70cf9f1226caf653d48c735c97cd05f7bcde65
author: Garston Tremblay and Wade Peterson
message: S69948: Users can drag features from the backlog into releases on a board (Release Planning Board)

sdk commit: RallySoftware/appsdk@7857630fc004940a130cc86c42c768dfba629f0a
author: Garston Tremblay and Wade Peterson
message: S69987 - Update release/iteration planning board to new styling

sdk commit: RallySoftware/appsdk@0c7f635a83d9a0b9a7d3f2dc0874751d60457f47
author: Garston Tremblay and Wade Peterson
message: S70092 - respect WS or overriding User date format pref on the iteration and release planning boards