sanger/s2_extraction_pipeline — pull request #25 by mattdenner (2013-03-20 11:14:26+00:00)
Title: Use batch.items to identify the presenter.

Relies on the batch.items proxy being present in S2Mapper.

DO NOT MERGE THIS until Benoit has reviewed the behaviour and S2Mapper has had https://github.com/sanger/S2Mapper/pull/30 merged.