Move FlickrWrappr to scripts package; rename it FlickrWrappr2
function clientAcceptsRDF compiles (yet to be tested)
Add Worksheet to .gitignore
FlickrWrappr: move HttpClient Maven dependency to "scripts" project
FlickrWrappr: add HttpCore dependency
Flickrwrappr: corrected "parameterize" funcion
Flickrwrappr: corrected "dump" funcion