Keyboard shortcut listener

I just put it in start.js.  Don't know if you want it here.

Author: my-password-is-password

js/start.js

@@ -172,3 +172,18 @@ function clearBrowserCacheCallback() {
 
 HTTPSB.asyncJobs.add('clearBrowserCache', null, clearBrowserCacheCallback, 15 * 60 * 1000, true);
 
+/******************************************************************************/
+
+chrome.commands.onCommand.addListener( function( command ) {
+   var extensionURL;
+   switch ( command ) {
+   case 'open-statistics': extensionURL = 'dashboard.html#statistics'; break;
+   case 'open-ubiquitous-rules': extensionURL = 'dashboard.html#ubiquitous-rules'; break;
+   case 'open-scoped-rules': extensionURL = 'dashboard.html#scoped-rules'; break;
+   case 'open-settings': extensionURL = 'dashboard.html#settings'; break;
+   }
+   if ( extensionURL ) {
+      chrome.runtime.sendMessage( { what: 'gotoExtensionURL',
+                                     url: extensionURL } );
+   }
+});