Make the release script push releases, javadoc, and the website
documentation to github pages rather than sourceforge.

Removed the static pages in src/www that are put on the gh-pages branch

README.md points to the Picard documentation github pages site

Due to html5, we shoul change <a name=""/> to be <a id=""/>.
Merge pull request #59 from broadinstitute/nh_gh_pages_release

Make the release script push releases, javadoc, and the website