appsdk-bump-app-catalog 227 bumping sdk to 1290-662b692

sdk commit: RallySoftware/appsdk@c4278d06ca38bb10cbd5f369c6221733facd1e47
author: Andy Gradl
message: check for the existence of the specified spec or test file before running tests

sdk commit: RallySoftware/appsdk@3fd58051822660ed8346bd9b109862ae95a8d206
author: Stefan Kendall
message: DE19693 Fixed iteration status page complete breakage

sdk commit: RallySoftware/appsdk@662b69274eaa36f08235d5a6a292b24d74db3056
author: Alan Brockett and Kyle Morse
message: DE19673: Popover should follow card when it moves between columns