appsdk-bump-app-catalog 745 bumping sdk to 2422-6047179

sdk commit: RallySoftware/appsdk@243ce984f47cdbacc1b59eeaee9512a3b57d7997
author: Dave Thompson and Eli Soman
message: S68235: TreeGridView row visibility plugin.

sdk commit: RallySoftware/appsdk@4914c304a4ec8cee9528c97fa74becb68caae51a
author: Kevin Roberts and Trevor Farlow
message: DE21398: Test Cases disappear as user reranks on Test Cases popover

sdk commit: RallySoftware/appsdk@0a4229ffca597432cfb0ae870ac56e20d5ff24c0
author: Andrew Ralston
message: Spike to throttle ajax requests.

sdk commit: RallySoftware/appsdk@6047179c5a2cd635f6a0a050331e89aa5096e4dc
author: Andrew Ralston
message: Revert "Spike to throttle ajax requests."
appsdk-bump-app-catalog 746 bumping sdk to 2423-9fd5a1b

sdk commit: RallySoftware/appsdk@9fd5a1bd058c766402fd78dff748692dde72019e
author: Ben Ridge
message: DE21325: CopyTasksFrom menu item broke now that we don't fetch everything for a record