[tx-robot] updated from transifex

apps/admin_dependencies_chk/l10n/cs_CZ.php

apps/contacts/l10n/sv.php

apps/tasks/l10n/es.php

apps/tasks/l10n/fr.php

apps/user_ldap/l10n/cs_CZ.php

apps/user_ldap/l10n/sl.php

l10n/af/settings.po

l10n/ar/settings.po

l10n/ar_SA/settings.po

l10n/bg_BG/settings.po

l10n/ca/settings.po

l10n/cs_CZ/admin_dependencies_chk.po

l10n/cs_CZ/settings.po

l10n/cs_CZ/user_ldap.po

l10n/da/settings.po

l10n/de/settings.po

l10n/el/settings.po

l10n/eo/settings.po

l10n/es/settings.po

l10n/es/tasks.po