Add BHD currency

htdocs/install/mysql/data/llx_c_currencies.sql

htdocs/langs/ar_SA/admin.lang

htdocs/langs/ar_SA/main.lang

htdocs/langs/bg_BG/admin.lang

htdocs/langs/bg_BG/main.lang

htdocs/langs/bn_BD/admin.lang

htdocs/langs/bn_BD/main.lang

htdocs/langs/bs_BA/admin.lang

htdocs/langs/bs_BA/main.lang

htdocs/langs/ca_ES/admin.lang

htdocs/langs/ca_ES/bills.lang

htdocs/langs/ca_ES/boxes.lang

htdocs/langs/ca_ES/mails.lang

htdocs/langs/ca_ES/main.lang

htdocs/langs/ca_ES/members.lang

htdocs/langs/ca_ES/orders.lang

htdocs/langs/ca_ES/other.lang

htdocs/langs/ca_ES/projects.lang

htdocs/langs/ca_ES/stocks.lang

htdocs/langs/ca_ES/suppliers.lang