Simplified common example functionality.
Unified connect / disconnect example:

See godoc for detailed usage examples.
Unified TLS connect / disconnect example.
Remove old conn / disc examples.
Update conndisc godoc examples.
Unified publish example.
Remove old send examples.
Unified sub / unsub scribe example.
Remove old receive examples.
Correct exampid output.
Add protocol display to conndisc example.
Unified ack example.
Remove old ack examples.
Use new common functionality for this demo.
Unified functionality in single connection example.
Unified functionality in 2 connections example.
Unified functionality in multiple connection example.
Remove old multi-goroutine examples.
TLS examples use unified common functionality.
Belatedly update example id.