Impacted versions:
Latest Odoo Forum

Steps to reproduce:
Get a nofitication from the Odoo forum (by subscription or by a comment to your posting)

Current behavior:
The notification email contain the subject: "Re: False" and contains no link to the forum post.
Expected behavior:
The notification email contains the title of the forum post and a link to the forum post.
Video/Screenshot link (optional):

![selection_195](https://cloud.githubusercontent.com/assets/1814941/15383579/60b554b0-1d94-11e6-8b1b-875a11e3d82b.png)

addons/website_forum/controllers/main.py
User = request.env['res.users']
        step = 30
        tag_count = User.sudo().search_count([('karma', '>', 1), ('website_published', '=', True)])
        pager = request.website.pager(url="/forum/%s/users" % slug(forum), total=tag_count, page=page, step=step, scope=30)
        user_obj = User.sudo().search([('karma', '>', 1), ('website_published', '=', True)], limit=step, offset=pager['offset'], order='karma DESC')
        
        users = [[] for i in range(len(user_obj) / 3 + 1)]
        for index, user in enumerate(user_obj):
            users[index / 3].append(user)
        searches['users'] = 'True'
        values = self._prepare_forum_values(forum=forum, searches=searches)
        values .update({
            'users': users,
            'main_object': forum,
            'notifications': self._get_notifications(),
            'pager': pager,
        })
        return request.website.render("website_forum.users", values)
    @http.route(['/forum/<model("forum.forum"):forum>/partner/<int:partner_id>'], type='http', auth="public", website=True)
    def open_partner(self, forum, partner_id=0, **post):