handlers:
- url: /mapreduce/pipeline/images
  static_dir: mapreduce/lib/pipeline/ui/images

- url: /mapreduce(/.*)?
  script: mapreduce.main.APP
  login: admin


handlers:
- url: /mapreduce/pipeline/images
  static_dir: pipeline/ui/images

- url: /mapreduce(/.*)?
  script: mapreduce.main.APP
  login: admin


Update route to pipeline UI to to external lib.
Update route to pipeline UI to to external lib.

The Pipelines API has removed to an external library and this
route no longer points to a valid location. This would assume
that pipelines exists somewhere on your path.
