Merge pull request #4 from jsilvestre/master

Various fixes and improvements
Merge pull request #5 from jsilvestre/master

Important fixes
Add l10n
[l10n] Use Cozy instance language by default
[l10n] missing translation + fix merge regression
Merge pull request #6 from clochix/master

Add localization
Fixed: code style (un-needed parenthesis)
Fixed:  is immutable and attributes should be retrieved through
Fixed: email fixtures are now sorted
Added: email fixtures generator + generated email fixtures
Built