- from mass_mailing, creating or editing a template now goes through a wizard to avoid
tweaking too much the email.template view. This allows an easier management of templates
and their link with mailings.
- moved email.template minimal form view from email_tmeplate to mass_mailing, because it
is the sole module to use it. Tweaked it a bit by the way.
- removed dead code about actions not used anymore in mass_mailing
- empty list help on mail.mass_mailing.list
- various small usability fixes
bzr revid: tde@openerp.com-20140327130827-h9dy2m6mq10gzg1s