Sync with transifex

htdocs/install/inc.php

htdocs/install/repair.php

htdocs/install/upgrade.php

htdocs/langs/ar_SA/accountancy.lang

htdocs/langs/ar_SA/admin.lang

htdocs/langs/ar_SA/agenda.lang

htdocs/langs/ar_SA/commercial.lang

htdocs/langs/ar_SA/companies.lang

htdocs/langs/ar_SA/errors.lang

htdocs/langs/ar_SA/languages.lang

htdocs/langs/ar_SA/main.lang

htdocs/langs/ar_SA/margins.lang

htdocs/langs/ar_SA/products.lang

htdocs/langs/ar_SA/projects.lang

htdocs/langs/ar_SA/sendings.lang

htdocs/langs/ar_SA/stocks.lang

htdocs/langs/ar_SA/trips.lang

htdocs/langs/bg_BG/accountancy.lang

htdocs/langs/bg_BG/admin.lang

htdocs/langs/bg_BG/agenda.lang