Run a rake task for each rakefile in directories under the current one

Rakefile

# Adapted from http://stackoverflow.com/questions/1686779/multifile-rake-build
# Runs a task (in this case the default task) for each Rakefile nested in the current directory 
task :default do
  FileList["*/**/Rakefile"].each do |project|
    next if project =~ /^admin_console/
    next if project =~ /^logging/
    # clear current tasks
    Rake::Task.clear
    #load tasks from this project
    load project
    if !Rake::Task.task_defined?(:default)
      puts "No default task defined in #{project}, aborting!"
      exit -1
    else
      dir = project.pathmap("%d")
      Dir.chdir(dir) do
        default_task = Rake::Task[:default]
        default_task.invoke()
      end
    end
  end
  puts "Done building projects"
end