Added 'grunt-jquery-json' to build jquery.json manifest file from package.json.
Updated 'grunt-jquery-json' build dependency to v0.2.1.
Changed 'grunt-bump' build dependency to v0.0.1, as v0.0.2 depends on Grunt 0.4.
Added direct download links.
Updated a few links in the README.
Merge branch 'master' of https://github.com/jstayton/jquery-manifest