Minor fixes & tweaks to improve error handing in preparation for BBSim REST API pull request.

Added comments to reduce golint warnings.

Main contributors: Pragya Arya, Vishesh Prasidh

Change-Id: I6f0b67a39dd0b8da0288306ac4f66098df53b18d
diff --git a/core/eapol.go b/core/eapol.go
index 8dc7e7b..85a9f07 100644
--- a/core/eapol.go
+++ b/core/eapol.go
@@ -72,6 +72,7 @@
 	return resp
 }
 
+//RunEapolResponder starts go routine which processes and responds for received eapol messages
 func RunEapolResponder(ctx context.Context, eapolOut chan *byteMsg, eapolIn chan *byteMsg, errch chan error) {
 	responder := getEAPResponder()
 	responder.eapolIn = eapolIn