add missing docs for new workflow activities

lib/WebGUI/i18n/English/Workflow_Activity_CalendarUpdateFeeds.pm

@@ -0,0 +1,18 @@
+package WebGUI::i18n::English::Workflow_Activity_CalendarUpdateFeeds;
+
+our $I18N = {
+
+	'activityName' => {
+		message => q|Update Calendar iCal Feeds|,
+		context => q|The name of this workflow activity.|,
+		lastUpdated => 0,
+	},
+
+	'calendar update feeds body' => {
+		message => q|<p>This workflow activity fetches all iCal feeds for Calendars.</p>|,
+		lastUpdated => 1165865159,
+	},
+
+};
+
+1;