appsdk-bump-app-catalog 327 bumping sdk to 1600-b718e07

sdk commit: RallySoftware/appsdk@161c7dc98a9868ea6b27108ad688958a35c1309f
author: Dave Thompson and Eli Soman
message: S59980: added pills to tag filter.

sdk commit: RallySoftware/appsdk@0ce11e1d769ae9befdb61fa50caa792641a56025
author: Kyle Morse and Alan Brockett
message: S59447: Add Unscheduled to iteration picker

sdk commit: RallySoftware/appsdk@482af1c79c64a6b2ecd2268fa62348e0d923b66a
author: Matt Parrish
message: Fixing issue with RowActionColumn

sdk commit: RallySoftware/appsdk@b718e079a0f06e708487a30b6128880c14e18732
author: Matt Parrish
message: Adding more client metrics around TreeGrid loading/rendering