Update README.md
update packages, add mean latency
Merge pull request #1 from guybrush/master

node 0.6.x and mean latency
display socket.io-client version
deps express 2.5.x, socket.io 0.9.x
Merge pull request #3 from nulltask/feature/update-deps

Update modules version
Merge pull request #2 from nulltask/feature/display-version

Display socket.io-client version
Update
type
Fix port
Update express
express 3 support
Short polling duration