appsdk-bump-app-catalog 411 bumping sdk to 1850-0533c13

sdk commit: RallySoftware/appsdk@6ed73b4b0f46aa96f75c915eff540a08d56d8faf
author: Doug Diehnelt and Steve Neely
message: DE20468: Added class to carousel pane for css targeting

sdk commit: RallySoftware/appsdk@768099649022b17f32693154d598f352b829a01c
author: Matt Greer
message: RallyMetrics: bumped to 0.2.4

sdk commit: RallySoftware/appsdk@ef373b82a86fc1a71d054cd3fa44903b836091d6
author: Will Klein and Kyle Morse
message: RichTextEditorSpec: mark flaky spec as pending. Kyle and I are working on a real fix.

sdk commit: RallySoftware/appsdk@0533c13f586ade6583cb1a4a6f2c8ca4871a8044
author: Brandon Fryslie
message: DE20385: Chevron stays on top of chooser