appsdk-bump-app-catalog 656 bumping sdk to 2270-e626641

sdk commit: RallySoftware/appsdk@6cffd0c55de0863e4b6d5b510c2856e8c448b8e7
author: Garston Tremblay and Justin Livesay
message: DE21088: Adding new card displays but then hides.  Fixing issue where Portfolio Items aren't moved all the way to the top.

sdk commit: RallySoftware/appsdk@e6266416c4efc4173de23f426e6579717e6eb36b
author: Garston Tremblay
message: Cleaning up CardBoard creation in specs