[#79] Add JOOX.$(), a no-args constructor for creating empty documents
[#79] Add JOOX.$(), a no-args constructor for creating empty documents

git-svn-id: 2921bb67c0daa04f0a6cae51ff45bc9ab21c6345@84 483eef88-1d74-1e00-19c4-d283eee2574d

angcyo/jOOX,jOOQ/jOOX