* adds "moon" calendar (moonrise, moonset).
* adds "astronomical twilight", "nautical twilight", and "civil twilight" calendars (sunrise, sunset).
* enhances the progress UI; improved dialog and notifications.
* updates translations to Polish (pl) and Esperanto (eo) (by Verdulo).
* now requires Suntimes v0.10.3+ (previously v0.10.0).
