Add jquery.fileupload

git-svn-id: https://svn.apache.org/repos/asf/jena/branches/jena-fuseki-new-ui@1576364 13f79535-47bb-0310-9956-ffa450edef68
Outline of file upload using jquery.fileupload

git-svn-id: https://svn.apache.org/repos/asf/jena/branches/jena-fuseki-new-ui@1576365 13f79535-47bb-0310-9956-ffa450edef68