[cwctl] do only clean static data dir content (closes #17069762)
deleting the directory itself is useless and may be a problem in automated
deployment environments (user may not have permissions to delete or create
that directory).
Edition control
===============
This chapter covers the editing capabilities of |cubicweb|. It
explains html Form construction, the Edit Controller and their
interactions.
.. toctree::
:maxdepth: 2
form
dissection
editcontroller
examples