Add support for debugging SwitchYard applications. The following lists what this might encompass:

• Context view - displays SwitchYard context, including
  • Consumer
  • Provider
  • MEP
  • Phase
  • Context properties (including special views for things like labels)
  • Message properties
  • Policy state (e.g. transaction, security, etc.)
• Breakpoints
  • Service/reference in/out/fault
  • Transformation in/out
  • Validator in/out
• Step support
  • Step through the bus route (see CamelExchangeBusRouteBuilder)