[IMP] stream code from stdin through Odoo's shell

Now I have a machine gun. Ho-ho-ho.
[FIX] website_forum: tags were not displayed when editing a post.
[IMP] mass_mailing: campaign form view: add a stat
button to go to the campaign mailings + its function field to have the
counter.
[MIG]CRM: Migrated CRM into new API.