Add missed file jquery.min.map

 * This is the error in chrome console when loading g2ttrss-mobile:
   GET http://tinyrss-server.com/g2ttrss-mobile/js/jquery.min.map 404 (Not Found)

 * Import it from: http://code.jquery.com/jquery-1.9.1.min.map
Merge pull request #26 from clopez/jquery.min.map

Add sourcemap file jquery.min.map