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)

if not request.session.uid:
            return {'error': 'anonymous_user'}
        return post.flag()[0]
    @http.route('/forum/<model("forum.forum"):forum>/post/<model("forum.post"):post>/ask_for_mark_as_offensive', type='http', auth="user", methods=['GET'], website=True)
    def post_ask_for_mark_as_offensive(self, forum, post):
        offensive_reasons = request.env['forum.post.reason'].search([('reason_type', '=', 'offensive')])
        values = self._prepare_forum_values(forum=forum)
        values.update({
            'question': post,
            'forum': forum,
            'reasons': offensive_reasons,
            'offensive': True,
        })
        return request.website.render("website_forum.close_post", values)
    @http.route('/forum/<model("forum.forum"):forum>/post/<model("forum.post"):post>/mark_as_offensive', type='http', auth="user", methods=["POST"], website=True)
    def post_mark_as_offensive(self, forum, post, **kwargs):
        post.mark_as_offensive(reason_id=int(kwargs.get('reason_id', False)))
        url = ''
        if post.parent_id:
            url = "/forum/%s/question/%s/#answer-%s" % (slug(forum), post.parent_id.id, post.id)
        else:
            url = "/forum/%s/question/%s" % (slug(forum), slug(post))
        return werkzeug.utils.redirect(url)
    
    
    @http.route(['/forum/<model("forum.forum"):forum>/users',
                 '/forum/<model("forum.forum"):forum>/users/page/<int:page>'],
                type='http', auth="public", website=True)
    def users(self, forum, page=1, **searches):