merge 3.18.4 into default
server/test/unittest_migractions fails due to interaction between new
constraint test (from 3.18) and composite deletion change (in 3.19).
#! /bin/sh -e
#
if [ "$1" = configure ]; then
if which install-docs >/dev/null 2>&1; then
install-docs -i /usr/share/doc-base/cubicweb-doc
fi
fi
#DEBHELPER#
exit 0