appsdk-bump-app-catalog 421 bumping sdk to 1871-bfb135a

sdk commit: RallySoftware/appsdk@40c2d6582ed6d2db8e64df89ccc7ed004a7642b8
author: Brandon Fryslie
message: DE20464: New Iteration Tracking board displays parent User Stories

sdk commit: RallySoftware/appsdk@bfb135ad20b29e5d00641c8f3c6f3e790183f0e8
author: Will Klein and Doug Diehnelt
message: Mark tests pending due to failures: trying to fix the _ is undefined jasmine explosion in appsdk-js-chrome