appsdk-bump-app-catalog 52 bumping sdk to 2574-54c97e1

sdk commit: RallySoftware/appsdk@d2b7739b67d14bcd672382ecf00b468a978b02b0
author: Jeff Ellis and Rob West
message: DE21669: Reinstate calling _saveBeforeDestroy on destruction of an EDP view

sdk commit: RallySoftware/appsdk@b3c8c06e460821c53740060eb93dbcf90dd1515d
author: jeffellis
message: Revert "DE21669: Reinstate calling _saveBeforeDestroy on destruction of an EDP v..."

sdk commit: RallySoftware/appsdk@e276b9c3ab4c3d21547805a64d7ca4af30589f99
author: jeffellis
message: Revert "Revert "DE21669: Reinstate calling _saveBeforeDestroy on destruction of ..."
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
S69948: Users can drag features from the backlog into releases on a board (Release Planning Board)
appsdk-bump-app-catalog 54 bumping sdk to 2577-47848c9

sdk commit: RallySoftware/appsdk@0949aec373a3efa8a89ee0ae35340b0442ba7e02
author: David Wire and Andrew Ralston
message: S68561: save state of expand-all