merge 3.19.8 into 3.20 branch3.20.2centos/3.20.2-1cubicweb-centos-version-3.20.2-1cubicweb-debian-version-3.20.2-1cubicweb-version-3.20.2debian/3.20.2-1
[pkg] Add missing data files to MANIFEST3.19.1centos/3.19.1-1cubicweb-centos-version-3.19.1-1cubicweb-debian-version-3.19.1-1cubicweb-version-3.19.1debian/3.19.1-1