Update readme to point to example/integrated.js as well
Adjust the API available from NPM.

Previously, you could only get access to an instance of the client when using NPM.  This was a little less than wonderful given for things like testing, where you might want to be able to fire up a coordinator locally.  This change adjusts the API to make the server programmatically instantiatable as well.
Fix some code style things (semi-colons and whatnot)