Qual: A lot of fixes to enhance package quality

build/deb/apache.conf

build/deb/changelog

build/deb/control

build/deb/copyright

build/deb/install.forced.php.install

build/deb/postinst

build/deb/postrm

build/deb/templates

dev/initdata/generate-commande.php

dev/initdata/generate-facture.php

dev/initdata/generate-produit.php

dev/initdata/generate-propale.php

dev/initdata/generate-societe.php

dev/samples/create_invoice.php

dev/samples/create_order.php

dev/samples/create_product.php

dev/skeletons/build_class_from_table.php

dev/skeletons/build_webservice_from_class.php

dev/skeletons/skeleton_script.php

dev/translation/autotranslator.php