appsdk-bump-app-catalog 231 bumping sdk to almci-master-2874-98b4f17

sdk commit: RallySoftware/appsdk@4d87149e2a2ba231e3e23e33fcee13a59e93a6a6
author: Kiran Surdhar and Dave Thompson
message: DE22390: BufferedRenderer scrolls to top after sort.

sdk commit: RallySoftware/appsdk@ee82e707415e74fb27a4d8e3f44757b184916cf2
author: Mike Holm and David Wire
message: S73614: default WSAPI fields on the iteration status page to have no convert method

sdk commit: RallySoftware/appsdk@98b4f175c6df798ab91526990fe3c1f184dbd78b
author: Kyle Morse
message: Add grouped board example to docs