Add growl 1.3 to buildr

buildfile.rb

# Add this to a buildr 'buildfile' to receive growl notifications when compilation
# completes or fails (including cc compilations)

require 'ruby_gntp'

 # Growl setup
 Buildr.application.on_completion do |title, message|
   GNTP.notify({
     :app_name => "buildr",
     :title    => title, 
     :text     => message,
   })
 end

 Buildr.application.on_failure do |title, message|
   GNTP.notify({
     :app_name => "buildr",
     :title    => title, 
     :text     => message,
   })
 end