[MERGE] EmailMessage, the façade version (v2)

[Adeodato Simó]

Merging against latest bzr.dev results in conflicts in
test_merge_directive.py, so here is an updated version.

-- 
Adeodato Simó                                     dato at net.com.org.es
Debian Developer                                  adeodato at debian.org
 
                        Listening to: Luis Eduardo Aute - Luz contra luz
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