First draft
First review
Add Thumbnail and title
Fix typos
Merge branch 'master' into blog-post-tuto-dns
Final review
Change edit CNAME in OVH
Spelling + paragraph about annuaire
Merge pull request #101 from lewagon/blog-post-tuto-dns

Blog post tuto dns
Handle correctly bad input for newsletter subscription
Reopen january
Merge pull request #102 from lewagon/fix-newsletter-bug-with-empty-email

Handle correctly bad input for newsletter subscription
merge master