Merge branch '169-add-a-banner-on-the-homepage-to-describe-the-ay-memopol-works' into 'master'

Adding banners to the homepage.

Closes #169

See merge request !176
1 job for 181-use-a-file-to-reload-uwsgi in 7 minutes and 58 seconds (queued for 6 minutes and 55 seconds)
Status Name Job ID Coverage
  Test
passed job test #802
memopol

00:07:58