Sync from transifex

htdocs/langs/ar_SA/bills.lang

htdocs/langs/ar_SA/main.lang

htdocs/langs/ar_SA/other.lang

htdocs/langs/ar_SA/withdrawals.lang

htdocs/langs/bg_BG/admin.lang

htdocs/langs/bg_BG/bills.lang

htdocs/langs/bg_BG/main.lang

htdocs/langs/bg_BG/other.lang

htdocs/langs/bg_BG/withdrawals.lang

htdocs/langs/ca_ES/admin.lang

htdocs/langs/ca_ES/bills.lang

htdocs/langs/ca_ES/cron.lang

htdocs/langs/ca_ES/main.lang

htdocs/langs/ca_ES/other.lang

htdocs/langs/da_DK/bills.lang

htdocs/langs/da_DK/main.lang

htdocs/langs/da_DK/other.lang

htdocs/langs/da_DK/withdrawals.lang

htdocs/langs/de_DE/opensurvey.lang

htdocs/langs/el_GR/install.lang