WebStyle: printable req
WebStyle: printable req

* The request object req is now printable.

* A new handler under /httptest/dumpreq can be used to directly
  print to the browser the content of the request object in order
  to help debugging.

inveniosoftware/invenio-base,inveniosoftware/invenio-base,tiborsimko/invenio-base,tiborsimko/invenio-base