appsdk-bump-app-catalog 476 bumping sdk to 1968-2b8002e

sdk commit: RallySoftware/appsdk@45b998865a1bd1c077ec6bde228d875fd077eebf
author: Steven Boles
message: S65070 Tags add link now renders on page load, instead of waiting for the tag picker to load.

sdk commit: RallySoftware/appsdk@2b8002e8d09a7572af4f564e9528cb1c12ff3e10
author: Steven Boles
message: Fieldbucket legends now follow style guide colors. Removed metafields off-white background color.