wait for the app to actually listen before calling address()
Replaced fs.readFile with require for JSON files

As  of node v0.5.x we can require a .json file
the same way we do it for .js files.
http://nodejs.org/api/modules.html#modules_file_modules
Merge pull request #72 from jaipandya/patch-1

Replaced `fs.readFile` with `require` for json config files
Merge pull request #44 from lornajane/listen

wait for the app to actually listen before calling address()
Addressing copyright date on README for issue #79
Add support for server-side basic auth

This enables basic auth on the Node server -- so that in order to
access I/O Docs (http://localhost:3000, for example), you will need to
enter in a username and password.  This should not be confused with
adding basic auth support while making API calls within the I/O Docs
configured API.
Merged from upstream.