[setuptools] Automaticly move data content of a cubicweb's egg in the proper location. This should be done once during the first import of the cubicweb module. This is an ugly hack because setuptools lake proper post install hooks.

include *.py
include */*.py
recursive-include data *.gif *.png *.ico *.css *.js
recursive-include i18n *.po
recursive-include wdoc *