appsdk-bump-app-catalog 480 bumping sdk to 1975-b4b04ed

sdk commit: RallySoftware/appsdk@b4b04eda23a95f30c391763152be58f9db21a09c
author: Ben Ridge and David Wire
message: S64043: fixing DE20746 by removing the active state of Expand buttons
appsdk-bump-app-catalog 481 bumping sdk to 1980-47cd6c4

sdk commit: RallySoftware/appsdk@c775d59723a6a4baac65bc9741f7c3dfffa33182
author: Katie Thompson and Rick Lansky
message: DE17304 - When switching projects in PI page, the Type value remains but displayed items do not match

sdk commit: RallySoftware/appsdk@ce34f6b0a6d7dbc17a0dc1c145b85c432ceaeec3
author: Ashly Simmons and Brandon Fryslie
message: S64558: When any popover instantiated on this list view, anchor the popover below the row

sdk commit: RallySoftware/appsdk@d02f8b7c4bc5ba80d239ca985415488b7b352c4b
author: Kevin Roberts and Trevor Farlow
message: Reapply "DE20685: only avoid Unscheduled on iterationstatus page"

sdk commit: RallySoftware/appsdk@2e0ac0c3ece060b5abfc003a3309c9d2a7be9e05
author: Ashly Simmons and Brandon Fryslie
message: Revert "S64558: When any popover instantiated on this list view, anchor the popover below the row"

sdk commit: RallySoftware/appsdk@64879921210559d0f93d8440a54a4749f0361b25
author: Matt Greer and Will Klein
message: tiny change to try and fix GridEditingSpec iteration type is editable

sdk commit: RallySoftware/appsdk@54a48d252abd868fbb17052f08f5d952fecba736
author: mrampson
message: Revert "DE17304 - When switching projects in PI page, the Type value remains but displayed items do not match"

sdk commit: RallySoftware/appsdk@47cd6c4a9c76f8ed29d2abe12670a8c368584d05
author: Matt Greer
message: Revert "tiny change to try and fix GridEditingSpec iteration type is editable"
appsdk-bump-app-catalog 482 bumping sdk to 1981-42b9d71

sdk commit: RallySoftware/appsdk@42b9d71695d1083b8885a81d39a1c94200782fae
author: Ashly Simmons and Brandon Fryslie
message: Revert "Revert "S64558: When any popover instantiated on this list view, anchor the popover below the row""
appsdk-bump-app-catalog 483 bumping sdk to 1984-abb9e6b

sdk commit: RallySoftware/appsdk@abb9e6b54a69728a905e98c2d37d8f28c15a027a
author: Wade Peterson, Andrew Grauch, Richard Green and Garston Tremblay
message: S64257 - add infinite scrolling
S64257 - add infinite scrolling
appsdk-bump-app-catalog 484 bumping sdk to 1985-6ee5b63

sdk commit: RallySoftware/appsdk@6ee5b63cc4a2f98ebac9a5df59da28b0b4032445
author: Richard Green
message: S65133: PI Kanban Page - Remove Duplicate Help
S65133: PI Kanban Page - Remove Duplicate Help