Correct seconds calculations, "all day" bug

fixes matthiasanderer#4 

Set seconds variables to actual seconds instead of minutes.
Include start and end hours in check for "all day" status - if time is "11:00:00" to "12:00:00" it should show as one hour, not "all day".

icsFormatter.js

@@ -60,19 +60,20 @@ var icsFormatter = function() {
             var start_day = ("00" + ((start_date.getDate()).toString())).slice(-2);
             var start_hours = ("00" + (start_date.getHours().toString())).slice(-2);
             var start_minutes = ("00" + (start_date.getMinutes().toString())).slice(-2);
-            var start_seconds = ("00" + (start_date.getMinutes().toString())).slice(-2);
+            var start_seconds = ("00" + (start_date.getSeconds().toString())).slice(-2);
 
             var end_year = ("0000" + (end_date.getFullYear().toString())).slice(-4);
             var end_month = ("00" + ((end_date.getMonth() + 1).toString())).slice(-2);
             var end_day = ("00" + ((end_date.getDate()).toString())).slice(-2);
             var end_hours = ("00" + (end_date.getHours().toString())).slice(-2);
             var end_minutes = ("00" + (end_date.getMinutes().toString())).slice(-2);
-            var end_seconds = ("00" + (end_date.getMinutes().toString())).slice(-2);
+            var end_seconds = ("00" + (end_date.getSeconds().toString())).slice(-2);
 
             // Since some calendars don't add 0 second events, we need to remove time if there is none...
             var start_time = '';
             var end_time = '';
-            if (start_minutes + start_seconds + end_minutes + end_seconds !== 0) {
+            if (start_hours + start_minutes + start_seconds + end_hours + end_minutes + end_seconds !== 0) {
+                // If time is midnight to midnight - then this is an all day event. Only add time if it's not
                 start_time = 'T' + start_hours + start_minutes + start_seconds;
                 end_time = 'T' + end_hours + end_minutes + end_seconds;
             }