update translations

apps/calendar/l10n/ar.php

apps/calendar/l10n/eo.php

apps/calendar/l10n/eu.php

apps/calendar/l10n/he.php

apps/calendar/l10n/hr.php

apps/calendar/l10n/hu_HU.php

apps/calendar/l10n/hy.php

apps/calendar/l10n/ia.php

apps/calendar/l10n/ja_JP.php

apps/calendar/l10n/lt_LT.php

apps/calendar/l10n/nl.php

apps/calendar/l10n/nn_NO.php

apps/calendar/l10n/sk_SK.php

apps/calendar/l10n/sl.php

apps/calendar/l10n/tr.php

apps/contacts/l10n/ar.php

apps/contacts/l10n/ca.php

apps/contacts/l10n/cs_CZ.php

apps/contacts/l10n/da.php

apps/contacts/l10n/de.php