Fix inconsistent click handler args + update docs

Author: timotheeg

README.md

@@ -70,5 +70,6 @@ $.jGrowl("A message with a beforeOpen callback and a different opening animation
 | open             | function(e,m,o) {}                   | Callback to be used when a new notification is opened. This callback receives the notification's DOM context, the notifications message and its option object. |
 | beforeClose      | function(e,m,o) {}                   | Callback to be used before a new notification is closed. This callback receives the notification's DOM context, the notifications message and its option object. |
 | close            | function(e,m,o) {}                   | Callback to be used when a new notification is closed. This callback receives the notification's DOM context, the notifications message and its option object. |
+| click            | function(e,m,o) {}                   | Callback to be used when a notification is clicked. This callback receives the notification's DOM context, the notifications message and its option object. |
 | animateOpen      | { opacity: 'show' }                  | The animation properties to use when opening a new notification (default to fadeOut). |
 | animateClose     | { opacity: 'hide' }                  | The animation properties to use when closing a new notification (defaults to fadeIn). |

jquery.jgrowl.js

@@ -299,7 +299,7 @@
 			}).bind('jGrowl.afterOpen', function() {
 				o.afterOpen.apply( notification , [notification,message,o,self.element] );
 			}).bind('click', function() {
-				o.click.apply( notification, [notification.message,o,self.element] );
+				o.click.apply( notification, [notification,message,o,self.element] );
 			}).bind('jGrowl.beforeClose', function() {
 				if ( o.beforeClose.apply( notification , [notification,message,o,self.element] ) !== false )
 					$(this).trigger('jGrowl.close');