Mailing via mustache
Merge branch 'master' of https://github.com/mentorcode/site

* 'master' of https://github.com/mentorcode/site:
  Fixed typo in refresh counter
  Refresh counter when refused a talk
  Update counts of talk filters
  If appnima login ok creates user when not exists
  Remove old mailing
  Fixed typo in get knowledges availables