Added iFrame keylogger module: given a same-domain resource, creates a fullscreen overlay iframe, and attach a keylogger to it.

git-svn-id: https://beef.googlecode.com/svn/trunk@1082 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9

extensions/demos/html/secret_page.html

@@ -9,5 +9,7 @@
 		This page is not hooked by beef. However you should still be capable of accessing it
 		using the Requester.
 	</p>
+    <label for="imptxt">Insert your secret here:</label>&nbsp;&nbsp;<input type="text" id="imptxt" name="Important Text" /></p>
+
 </body>
 </html>