Qual: Uniformize SQL code to be more compatible

build/dolibarr_mysql2pgsql.pl

htdocs/conf/.cvsignore

htdocs/install/mysql/migration/2.6.0-2.7.0.sql

htdocs/install/mysql/tables/llx_adherent_options.key.sql

htdocs/install/mysql/tables/llx_adherent_options.sql

htdocs/install/mysql/tables/llx_bank_class.key.sql

htdocs/install/mysql/tables/llx_bank_class.sql

htdocs/install/mysql/tables/llx_bordereau_cheque.sql

htdocs/install/mysql/tables/llx_c_ecotaxe.key.sql

htdocs/install/mysql/tables/llx_c_ecotaxe.sql

htdocs/install/mysql/tables/llx_commandedet.sql

htdocs/install/mysql/tables/llx_facturedet.sql

htdocs/install/mysql/tables/llx_menu.sql

htdocs/install/mysql/tables/llx_paiementfourn.sql

htdocs/install/mysql/tables/llx_product_price.sql

htdocs/install/mysql/tables/llx_propaldet.sql

htdocs/install/mysql/tables/llx_societe.sql

htdocs/install/mysql/tables/llx_user_entrepot.sql

htdocs/lib/databases/mssql.lib.php

htdocs/lib/databases/pgsql.lib.php