add documentation for urlIcal template variable, and make it point to the URL, rather than the method

lib/WebGUI/Asset/Wobject/Calendar.pm

@@ -973,7 +973,11 @@ sub view {
     $var->{"urlMonth"}      = $self->getUrl("type=month;start=".$params->{start});
     $var->{"urlSearch"}     = $self->getSearchUrl;
     $var->{"urlPrint"}      = $self->getUrl("type=".$params->{type}.";start=".$params->{start}.";print=1");
-    $var->{"urlIcal"}	    = $self->www_ical;
+    $var->{"urlIcal"}	    = $self->getUrl(
+                                    sprintf "func=ical;type=%s;start=%d
+                                        $params->{type},
+                                        $params->{start},
+                              );
 
     # Parameters
     $var->{"paramStart"}    = $params->{start};

lib/WebGUI/Help/Asset_Calendar.pm

@@ -132,6 +132,9 @@ our $HELP   = {
 		          {
 		            'name' => 'urlPrint'
 		          },
+		          {
+		            'name' => 'urlIcal'
+		          },
 		          {
 		            'name' => 'paramStart'
 		          },

lib/WebGUI/i18n/English/Asset_Calendar.pm

@@ -365,6 +365,11 @@ our $I18N = {
 		lastUpdated 	=> 1171043883,
 	},
 
+	'urlIcal' => {
+		message 	=> q|A URL to the iCal feed for the calendar, starting at this month.|,
+		lastUpdated 	=> 1175028512,
+	},
+
 	'paramStart' => {
 		message 	=> q|The starting date of the calendar.|,
 		lastUpdated 	=> 1171043883,