Allows a sitemap file to be specified.
Will this work?
Merged in #6
v2.1.0. Improvement.

- v2.1.0 December 13, 2012
	- Will now error if `templateData.site.url` is not defined
	- Added the ability to customise the sitemap location via the
`filePath` plugin configuration option
		- Thanks to [Nathan Bowser](https://github.com/nathanbowser) for
[pull request
	- Updated dependencies
	- Repackaged