Add support for parsing command line to extract port

Add support for amqp
Add 'exit' monitoring
Merge branch '2-ScaleServerToMulticore' into 3-MulticoreSessionManagement

Conflicts:
	server.js
Add a route to send a message
Merge branch 'master' of https://github.com/NeverOddOrEven/ScalingNodeJS-BASIC into 4-ScaleServerToMultinode
Update the readme