appsdk-bump-app-catalog 282 bumping sdk to almci-master-2956-7e260c2

sdk commit: RallySoftware/appsdk@f1b312fd6a37b258673504f12dbe5ac06eb74c39
author: Rob West
message: DE22531: Task EDP - Handle hidden To Do and/or Task Est (Estimate) fields
appsdk-bump-app-catalog 283 bumping sdk to almci-master-2957-0ce9c4d

sdk commit: RallySoftware/appsdk@0ce9c4daeb540d12ae6c1f3433fccdf0ddc5ba76
author: Dave Thompson
message: DE22568: fix hang on TreeGrid page change.
appsdk-bump-app-catalog 284 bumping sdk to almci-master-2958-d9b66f5

sdk commit: RallySoftware/appsdk@d9b66f5b3203d37c0f11c54552ddf9c1eaba2424
author: Rick Lansky and Jonathan Baker
message: S73968 - Update js_dependencies to use Ext-lean
S73968 - Update js_dependencies to use Ext-lean
appsdk-bump-app-catalog 285 bumping sdk to almci-master-2961-5eded60

sdk commit: RallySoftware/appsdk@dc6a145ba73377a4525fd1083f23529b08210ab5
author: David Wire, Eli Soman, Ben Ridge and Mike Holm
message: DE22383: Fix drag and drop issues with buffered renderer
updating stats banner and removing async calls
Removing ScheduleState.getAllowedValuesStore()