fixed `page.initialized` event didn't get the initialized `WebPage` instance

@@ -4,6 +4,7 @@ CasperJS Changelog
 XXXX-XX-XX, v1.0.0
 ------------------
 
+- fixed `page.initialized` event didn't get the initialized `WebPage` instance
 - fixed a bug preventing `Casper.options.onPageInitialized()` from being called
 - fixed [#215](https://github.com/n1k0/casperjs/issues/215) - fixed broken `--fail-fast` option creating an endless loop on error
 - fixed `Tester.renderFailureDetails()` which couldn't print failure details correctly in certain circumstances

@@ -2014,7 +2014,7 @@ function createPage(casper) {
         casper.emit('page.error', msg, trace);
     };
     page.onInitialized = function onInitialized() {
-        casper.emit('page.initialized', this);
+        casper.emit('page.initialized', page);
         if (utils.isFunction(casper.options.onPageInitialized)) {
             casper.log("Post-configuring WebPage instance", "debug");
             casper.options.onPageInitialized.call(casper, page);