fix mae packaging 3

debian/castor-mae.install.perm

-%attr(0755,root,root) var/www/castormon/*
 %attr(0755,root,root) usr/bin/mae-consumer.py*
 %attr(0755,root,root) usr/lib/python*/site-packages/mae/*
 %attr(0644,root,root) etc/mae/mae.conf.example