appsdk-bump-app-catalog 186 bumping sdk to almci-master-2793-173175c

sdk commit: RallySoftware/appsdk@173175c4a2cbbe144c1cf80401f8c181449d5555
author: Kyle Morse
message: Cardboard enhancements to support task board
appsdk-bump-app-catalog 187 bumping sdk to almci-master-2795-e6c52f7

sdk commit: RallySoftware/appsdk@96c47f47119f91c0b89475f11228b7d535f1be7a
author: Mike Holm and David Wire
message: DE22201: fix bulk edit comboboxes for State, Schedule State, etc.
appsdk-bump-app-catalog 188 bumping sdk to almci-master-2797-acb7f16

sdk commit: RallySoftware/appsdk@acb7f16326160341972aa78f2fcf004b145823f9
author: Mike Holm and David Wire
message: Revert "DE22201: fix bulk edit comboboxes for State, Schedule State, etc."
appsdk-bump-app-catalog 189 bumping sdk to almci-master-2802-a8a0541

sdk commit: RallySoftware/appsdk@25c81e1a576199e3d212c2ae69af343b846a709a
author: Alan Hensel and Jeff Ellis
message: DE22248: Notification when nothing has changed for PI

sdk commit: RallySoftware/appsdk@651facddb38f9951c39ed7ad0179cfcf0001c18f
author: Carlton Schuyler and Darrell Hamilton
message: Making TreeGrid remember its root options, for pagination purposes.

sdk commit: RallySoftware/appsdk@7be2d9913fd990c3be6c7bc501439f09756ce9a7
author: Ronn McQueen
message: Revert "Cardboard enhancements to support task board"

sdk commit: RallySoftware/appsdk@a8a0541bb08a0f8f29a0838c03ab6834f3743fd3
author: Kyle Morse
message: Re-apply "Cardboard enhancements to support task board"
Pin grunt-regex-check to 0.1.5 to fix npmjs.org 404 error for 0.1.6