[pkg] don't include extra files in tarballs Blind wildcards for dirs that may contain generated or temporary files can lead to trouble and unreproducible results.

etc/init.d
etc/cubicweb.d
etc/bash_completion.d
usr/bin
usr/share/doc/cubicweb-ctl
var/log/cubicweb
var/lib/cubicweb/backup
var/lib/cubicweb/instances