chore(pkg): new patch release (0.2.12)

• A depreciation warning related to CubicWeb-Web had been removed.
• Minimum versions of dependencies have been upgrade. We should not have problems with that for a while.

--HG-- branch : 0.2

test/data/views.py

-from cubicweb.web.views import uicfg
+from cubicweb_web.views import uicfg
 
 from cubicweb_jsonschema.views import jsonschema_section