Use tls.Dial to connect to event stream
Fix error message in TestEventListeners
Export TLSConfig in Client

Anyone who needs to override HTTPClient.Transport for TLS will also need to set,
TLSConfig to support event monitoring, so let's export it
Set InsecureSkipVerify when ca is not provided
Add a test for TLS events
Combine implementation of event listener tests
Use mutual auth in TLS events test

The PEM files here were generated for the test and are no longer in use
Use HTTP for port 2736
Add test for port 2736 behavior
Fix bad port number; thank you testing...
Use net.SplitHostPort
Fix test name typo
authors: add Mike Dillon
build_test: running gofmt -s