implement jqueryui dialog replacements.

For now only alert windows are converted automatically. You can alert custom
HTML code like so: alert('<strong>herp a derp</strong>', true);

Main can use this feature immediately, all plugins that are advertized to be
stable may only use this once 0.7 is released.

main.js

@@ -106,7 +106,8 @@ document.getElementsByTagName('body')[0].innerHTML = ''
   + '      <a href="https://github.com/breunigs/ingress-intel-total-conversion#readme" title="IITC = Ingress Intel Total Conversion.\n\nOn the script’s homepage you can:\n– find updates\n– get plugins\n– report bugs\n– and contribute." style="cursor: help">IITC’s page</a></div>'
   + '  </div>'
   + '</div>'
-  + '<div id="updatestatus"></div>';
+  + '<div id="updatestatus"></div>'
+  + '<div id="dialog"></div>';
 
 // putting everything in a wrapper function that in turn is placed in a
 // script tag on the website allows us to execute in the site’s context