removing c.z3cform.datetimewidget parts
instead of using collective.z3cform.datetimewidget, use plone.app.widgets
remove dependency on collective.testcaselayer. use plone.app.testing instead. fix tests
modernize, pep8, dependencies
clearer import
test fixes
uups
Merge remote-tracking branch 'origin/plip13476-mockup' into barceloneta