Added a few more helpful rake goals

git-svn-id: https://svn.apache.org/repos/asf/activemq/stomp/trunk@795755 13f79535-47bb-0310-9956-ffa450edef68

webgen/Rakefile

diff --git a/webgen/Rakefile b/webgen/Rakefile
index 8a4c367..6c9d01d 100644
--- a/webgen/Rakefile
+++ b/webgen/Rakefile
@@ -11,6 +11,8 @@
 require 'webgen/webgentask'
 
 task :default => :webgen
+task :rebuild => [:clobber, :webgen]
+task :auto => :auto_webgen
 
 Webgen::WebgenTask.new do |website|
   website.clobber_outdir = true