Footer link fix for PLOS recommendation

Live 2020-06-09

Live 2020-05-10

Live 2020-04-28

Live 2020-04-24

Merge pull request #71 from achilleas-k/new-repo-page-minor

New repo page: minor changes

Merge pull request #64 from achilleas-k/hotfix/dirupload

LGTM

Merge pull request #56 from achilleas-k/doi-new-request-data

DOI: New request data

Merge pull request #55 from achilleas-k/landing-page-updates

LGTM

Shorten UI description for private repos

Longer description doesn't wrap in New Repository form and looks ugly.