adding the detect local settings command and fixing the functions to build beefjs for components

git-svn-id: https://beef.googlecode.com/svn/trunk@543 b87d56ec-f9c0-11de-8c8a-61c5e9addfc9

lib/modules/command.rb

@@ -214,13 +214,13 @@ module BeEF
     #  use 'beef.encode.base64'
     #
     def use(component)
-      component_path = component
+      return if @beefjs_components.include? component
+      
+      component_path = '/'+component
       component_path.gsub!(/beef./, '')
       component_path.gsub!(/\./, '/')
       component_path.replace "#{$root_dir}/modules/beefjs/#{component_path}.js"
       
-      return if beefjs_components.include? component
-      
       raise "Invalid beefjs component for command module #{@path}" if not File.exists?(component_path)
       
       @beefjs_components[component] = component_path