Merge branch 'develop' of git@github.com:Dolibarr/dolibarr.git into develop

htdocs/accountancy/admin/export.php

htdocs/accountancy/admin/index.php

htdocs/accountancy/admin/journals.php

htdocs/admin/websites.php

htdocs/comm/card.php

htdocs/compta/facture/card.php

htdocs/core/class/html.form.class.php

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

htdocs/install/mysql/tables/llx_website.sql

htdocs/install/mysql/tables/llx_website_pages.sql

htdocs/langs/en_US/main.lang

htdocs/langs/en_US/sendings.lang

htdocs/langs/en_US/website.lang

htdocs/theme/eldy/img/save.png

htdocs/theme/md/img/save.png

htdocs/websites/class/website.class.php

htdocs/websites/class/websitepage.class.php

htdocs/websites/index.php