message: drake: don't ship the echo-server
  This piece of code does not work on Windows, as it produces
  echo_server.exe.cc.
diff: @@ -1558,9 +1558,7 @@ using python : %(python_version)s : %(python_prefix)s/%(python_bin)s : %(python_
  'examples/%s.cc' % x for x in
  list(chain(examples, elle.examples,
  [x[0] for x in cryptography.examples], das.examples))
  - ] +[
  - '%s.cc' % x for x in list(chain(reactor.examples))
  - ]))
  + ])
  with drake.templating.Context(content = {
  'prefix': '/usr/elle',
  