Fix jasmine example terminating too early against jasmine 1.1.0.

The .finished-at element that was being checked for is present all
the time during the test run, so the waitFor call ended too early.

http://code.google.com/p/phantomjs/issues/detail?id=402

examples/run-jasmine.js

@@ -53,7 +53,7 @@ page.open(phantom.args[0], function(status){
     } else {
         waitFor(function(){
             return page.evaluate(function(){
-                if (document.body.querySelector('.finished-at')) {
+                if (document.body.querySelector('.runner .description')) {
                     return true;
                 }
                 return false;