Merge pull request #6804 from aspangaro/6.0-multijournal

htdocs/accountancy/bookkeeping/card.php

htdocs/accountancy/bookkeeping/list.php

htdocs/accountancy/class/accountingjournal.class.php

htdocs/compta/bank/card.php

htdocs/compta/bank/class/account.class.php

htdocs/compta/bank/index.php

htdocs/compta/bank/various_payment/index.php

htdocs/core/class/html.formaccounting.class.php

htdocs/install/mysql/migration/5.0.0-6.0.0.sql

htdocs/install/mysql/tables/llx_accounting_journal.sql

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

htdocs/install/mysql/tables/llx_bank_account.sql

htdocs/langs/en_US/accountancy.lang