appsdk-bump-app-catalog 489 bumping sdk to 1991-f0026ba

sdk commit: RallySoftware/appsdk@f0026ba7f21b398559b93957f314488ea303f699
author: Stefan Kendall
message: Revert "S64120: EDP Defect entry points, first pass"
appsdk-bump-app-catalog 490 bumping sdk to 1992-383342b

sdk commit: RallySoftware/appsdk@383342b68329220587eb1ee030d492905148858a
author: Richard Green and Wade Peterson
message: DE20773 - Fix IE11 being incorrectly flagged as an unsupported browser
appsdk-bump-app-catalog 491 bumping sdk to 1993-05283e5

sdk commit: RallySoftware/appsdk@05283e54529fe3225cc8020ef0cd775f05b2b25c
author: Andrew Grauch and Garston Tremblay
message: Adding alias to Feedback
DE20773 - Fix IE11 being incorrectly flagged as an unsupported browser
S64847: updated tests to handle new Schema
S64847: updated flaky test to capture rank
S64605: Add scrolling arrows to the PI Kanban board
Removing Rally.util.Array.last()