MARMOTTA-567: ingore the failing test: http://rdf.freebase.com/ns/m.04jpl
MARMOTTA-510: Updated CORS library to 2.2.1, L&N checked, no changes required.
MARMOTTA-566: Added 'Link' and 'Location' to the CORS-exposedHeaders in the web.xml

MARMOTTA-473: also updated archetype
some (non-functional) code-cleanup in the LiteralCommons