ext42-appsdk-bump-app-catalog 28 bumping sdk to 59-6db1ba4

sdk commit: RallySoftware/appsdk@414a5fb13f0626cb76ea524bea3ecd07c52b7446
author: Ashly Simmons
message: DE19403 - fixing display of inline elements within 4.2 containers

sdk commit: RallySoftware/appsdk@6f6181180f784dd1c8b2daab9799fc6c6c49c3c8
author: Ashly Simmons
message: DE19408 Popovers - styles are off

sdk commit: RallySoftware/appsdk@699a55f8a2144a6f920e7109aff86e9f8cf071b1
author: Ashly Simmons
message: DE19400 Popover grids need black text

sdk commit: RallySoftware/appsdk@c36ee3c7cde26a1bd1bf95d6e3535a2704d6b287
author: Ashly Simmons
message: DE19355 Blocked and Ready Icons not positioned correctly

sdk commit: RallySoftware/appsdk@6db1ba4d15cc46057d74dbdc7a37ae6ab9865462
author: Ashly Simmons
message: DE19406 Cardboard apps default settings checkbox overlapping