[NEW][ADD] Module mass_mailing_distribution_list
[mass_mailing_distribution_list][RMV] useless code
[mass_mailing_distribution_list][CHG] force module auto installable
[mass_mailing_distribution_list][CHG] improve docstring
Merge pull request #14 from acsone/acsone-addons-mass_mailing_distribution_list

[NEW][ADD] Module mass_mailing_distribution_list