[debian] Introduce python3-cubicweb and python3-cubicweb-pyramid binary packages
This is the bare minimum to have a working cubicweb on python3. Further
work is done in default branch.
missing-dep-for-interpreter make => make | build-essential | dpkg-dev (usr/*/cubicweb/skeleton/debian/rules)embedded-javascript-library usr/share/cubicweb/cubes/shared/data/jquery.js