Merge pull request #166 from jlipps/master

more flexibility in alert handling and getting text of buttons

sample-code/examples/ruby/simple_test.rb

@@ -85,4 +85,15 @@ describe "Computation" do
     a.accept
   end
 
+  it "should find alerts" do
+    els = @driver.find_elements(:tag_name, 'button')
+    els[1].click
+    alert = @driver.find_element(:tag_name, 'alert')
+    buttons = alert.find_elements(:tag_name, 'button')
+    buttons[0].text.should eq("Cancel")
+    buttons[0].click
+    alerts = @driver.find_elements(:tag_name, 'alert')
+    alerts.should be_empty
+  end
+
 end