appsdk-bump-app-catalog 495 bumping sdk to 2001-c7fb303

sdk commit: RallySoftware/appsdk@5f351dacba65ec889f017c6e1eed731ad560bfd2
author: Steven Boles
message: S62966 Defect -> Convert to user story now works

sdk commit: RallySoftware/appsdk@f2f5061f0d843595f8b1874ddfa89a234aa87cd2
author: Steven Boles
message: S65283 - done button now works correctly for all supported artifact types

sdk commit: RallySoftware/appsdk@c7fb303bfcd132d7d318521049de50d19bebe636
author: Steven Boles
message: S65385: Hide system fields in Defect Section