Merge branch 'release/v2.2.1' into develop

* release/v2.2.1:
  Bump version to 2.2.1
Add MailChimps Inscription form.
Move jquery in from bottom to top. Generate favicons from grunt.
Prepare inscription page.
Move files from file directory to raw directory.
Update inscription process.
Bump Version to 2.3.0
Merge branch 'release/v2.3.0'

* release/v2.3.0:
  Bump Version to 2.3.0
  Update inscription process.
  Move files from file directory to raw directory.
  Prepare inscription page.
  Move jquery in from bottom to top. Generate favicons from grunt.
  Add MailChimps Inscription form.