[task #216] Move lib in core directory

dev/translation/autotranslator.php

htdocs/adherents/cartes/carte.php

htdocs/adherents/document.php

htdocs/adherents/fiche.php

htdocs/admin/company.php

htdocs/admin/mails.php

htdocs/admin/security_other.php

htdocs/admin/tools/export.php

htdocs/admin/tools/purge.php

htdocs/admin/tools/update.php

htdocs/categories/class/categorie.class.php

htdocs/comm/action/class/actioncomm.class.php

htdocs/comm/action/document.php

htdocs/comm/action/rapport/index.php

htdocs/comm/mailing/cibles.php

htdocs/comm/mailing/fiche.php

htdocs/comm/mailing/info.php

htdocs/comm/propal.php

htdocs/comm/propal/apercu.php

htdocs/comm/propal/class/propal.class.php