Add a page listing people someone follows (#444)

Nothing exceptional, the layout is the same as the followers page.

Fixes #325

src/template_utils.rs

@@ -32,7 +32,7 @@ pub fn translate_notification(ctx: BaseContext, notif: Notification) -> String {
     let name = notif.get_actor(ctx.0).unwrap().name(ctx.0);
     match notif.kind.as_ref() {
         notification_kind::COMMENT => i18n!(ctx.1, "{0} commented your article."; &name),
-        notification_kind::FOLLOW => i18n!(ctx.1, "{0} is now following you."; &name),
+        notification_kind::FOLLOW => i18n!(ctx.1, "{0} is subscribed to you."; &name),
         notification_kind::LIKE => i18n!(ctx.1, "{0} liked your article."; &name),
         notification_kind::MENTION => i18n!(ctx.1, "{0} mentioned you."; &name),
         notification_kind::RESHARE => i18n!(ctx.1, "{0} boosted your article."; &name),