Add calendar module.

config/config.js.sample

@@ -17,6 +17,19 @@ var config = {
 			module: 'clock',
 			position: 'top_left'
 		},
+		{
+			module: 'calendar',
+			header: 'US Holidays',
+			position: 'top_left',
+			config: {
+				calendars: [
+					{
+						symbol: 'calendar-check-o ', 
+						url: 'webcal://www.calendarlabs.com/templates/ical/US-Holidays.ics'
+					}
+				]
+			}
+		},
 		{
 			module: 'compliments',
 			position: 'lower_third',