installation: pip1.6 ready

* Adds setup.cfg for nose configuration.

* NOTE install it using: $ pip install -r requirements.txt
  and (i)gnore any existing invenio installation during the process.

Signed-off-by: Yoan Blanc <yoan.blanc@cern.ch>
search: fixtures upgrade

Signed-off-by: Jiri Kuncar <jiri.kuncar@cern.ch>
WebAuthorProfile: regression test addition