Merge pull request #50 from justincy/master

Fix indentation and add syntax highlighting for javascript example
remove getCurrentUserPersonId; document that personId and other fields are part of getCurrentUser response
Merge pull request #53 from justincy/master

Prevent XML from being returned when requesting preferred relationships

Looks good - adding the .json to the URL prevents the browser cache from returning XML when you re-fetch the URL with the json accept header later, right?