This is weird as Training are defined and used by our internal crm cube, but
we've to define it here as well until we've a way to say "import trainings as if
they were workcases".

Closes #3181451

Use python-support to ship and clean up pyc files properly
Update debhelper compat and policy version
Add (no-op) build-arch target

pkginfo and debian/copyright disagreed on the license.  The relevant
authority has confirmed that the correct license is LGPL.

Closes #3120346

fix #814266: at creation time, you 'are not allowed to perform add operation on relation Expense spent_for Workcase' by fixing rql expression used for add/delete permission checking