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)

user = request.env.user
        if post_type not in ['question', 'link', 'discussion']:  
            return werkzeug.utils.redirect('/forum/%s' % slug(forum))
        if not user.email or not tools.single_email_re.match(user.email):
            return werkzeug.utils.redirect("/forum/%s/user/%s/edit?email_required=1" % (slug(forum), request.session.uid))
        values = self._prepare_forum_values(forum=forum, searches={}, header={'ask_hide': True})
        return request.website.render("website_forum.new_%s" % post_type, values)
    @http.route(['/forum/<model("forum.forum"):forum>/new',
                 '/forum/<model("forum.forum"):forum>/<model("forum.post"):post_parent>/reply'],
                type='http', auth="user", methods=['POST'], website=True)
    def post_create(self, forum, post_parent=None, post_type=None, **post):
        if post_type == 'question' and not post.get('post_name', '').strip():
            return request.website.render('website.http_error', {'status_code': _('Bad Request'), 'status_message': _('Title should not be empty.')})
        post_tag_ids = forum._tag_to_write_vals(post.get('post_tags', ''))
        new_question = request.env['forum.post'].create({
            'forum_id': forum.id,
            'name': post.get('post_name') or (post_parent and 'Re: %s' % (post_parent.name or '')) or '',
            'content': post.get('content', False),
            'content_link': post.get('content_link', False),
            'parent_id': post_parent and post_parent.id or False,
            'tag_ids': post_tag_ids,
            'post_type': post_parent and post_parent.post_type or post_type,  
        })
        return werkzeug.utils.redirect("/forum/%s/question/%s" % (slug(forum), post_parent and slug(post_parent) or new_question.id))
    @http.route('/forum/<model("forum.forum"):forum>/post/<model("forum.post"):post>/comment', type='http', auth="user", methods=['POST'], website=True)
    def post_comment(self, forum, post, **kwargs):