* Update description for sink flag
- Add examples for broker, service and URI
- Add note about default prefix and service alias
* Update the sink flag description
* Update cli conventions doc
* Update the sink prefixes mapping
- 'ksvc' prefix for knative services
- Remove 'svc' or 'service' prefixes mapping for knative services
* Hint in err msg to use 'ksvc' if used prefixes 'svc' or 'service'
* Update CHANGELOG
* Update source list e2e tests to refer ksvc prefix
* Update sink flag description
* Find sink and ready conditions for untyped source
Fixes#909
- Look up spec.sink field in untyped source unstructured object and
try to convert it to duck Destination object
- Look up status.conditions field in untyped source unstructured object and
try to convert it to duck Conditions object
- Upon not finding the data at expected fields, return "<unknown>"
* Add unit tests
* Update LICENSE header