[SLIDER-430] provide usage message on invalid registry arguments

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: Slider 0.60
• Fix Version/s: Slider 0.60
• Component/s: client
• Sprint: Slider September #1
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 15/Sep/14 17:32
• Updated: 02/Oct/14 17:25
• Resolved: 02/Oct/14 17:13

Description

when bad params (e.g. no --list or --getconf) arg, the slider registry doesn't provide a usage message, just a stack trace.