Added only date and only time format localization options.

lib/vial/app.py

@@ -899,6 +899,8 @@ class Vial(flask.Flask):  # pylint: disable=locally-disabled,too-many-instance-a
                 babel_get_locale         = vial.intl.get_locale,
                 babel_get_timezone       = vial.intl.get_timezone,
                 babel_format_datetime    = flask_babel.format_datetime,
+                babel_format_date        = flask_babel.format_date,
+                babel_format_time        = flask_babel.format_time,
                 babel_format_timedelta   = flask_babel.format_timedelta,
                 babel_format_decimal     = flask_babel.format_decimal,
                 babel_format_percent     = flask_babel.format_percent,