appsdk-bump-app-catalog 255 bumping sdk to almci-master-2918-dbb83f6

sdk commit: RallySoftware/appsdk@c414fe6282a7d189cb49e2faa9e1f6232d453b4c
author: Eli Soman and Ben Ridge
message: DE22498 fixing paging toolbar on non-tree grids.

sdk commit: RallySoftware/appsdk@75448929808ba5858b60c5e3e85b7ba6ac224895
author: benridge
message: Revert "DE22498 fixing paging toolbar on non-tree grids."