fix tests in web/test
NOTES:
1/ there are still 2 automatic tests failing (xml output doesn't
match the DTD because of <optgroup> nodes)
2/ facets test are skipped for now (API has changed)
This directory contains extra libraries which are needed
to make cubicweb work.
The mx.DateTime python implementation is directly taken from
the mx.DateTime distribution. The only modification is the
strptime function which has been mocked using the standard
``datetime`` module. (as provided by the python2.5's stdlib)