Clarify onopen and onreconnect behavior
* ----
* var eb = new EventBus('http://localhost:8080/eventbus');
* eb.enableReconnect(true);
+ * eb.onopen = function() {}; // Set up handlers here, will be called on initial connection and all reconnections
+ * eb.onreconnect = function() {}; // Optional, will only be called on reconnections
*
* // Alternatively, pass in an options object
* var options = {
*
* var eb2 = new EventBus('http://localhost:8080/eventbus', options);
* eb2.enableReconnect(true);
- *
- * // Handlers setup here...
+ * // Set up handlers...
* ----
*
* You can retrieve the client library using a dependency manager:
