[IMP] default emails on admin and demo so that they can perform tests
[IMP] [DEMO] admin, demo: updated demo data (email, signature).
[Fix] Indentation in module description
Merge with trunk
[IMP/MERGE] merge with hip branch (on user deletion delete related partner too)
another big bag of changes
[IMP] Added documentation about on change methods.
[FIX] base, res.partner.view: remove duplicated invisible attribute that was totally hiding the 'type' field
[FIX] demo data: moved email address of admin from data to demo.
[MERGE] Sync with trunk.
[IMP] add TODO/FIXME comments
merge upstream
[FIX] then -> done; pipe -> then
[REM] fixed // FIXME
Launchpad automatic translations update.
[MERGE]merge with trunk
[MERGE] Merge with lp:openobject-server
[IMP] Improve the code
[FIX] nuke ir.model.data caches before starting imports

Otherwise a previous validation (or 2) will poison the cache and the
import itself will fail even though the validation succeeeded (and
importing with no validation would have succeeded), as the orm cache
doesn't take DB rollbacks in account.
[IMP] tools: mail: improved append_content_to_html, including plaintext2html. Updated tests.