fix the values which are malformed in the staging database

I still need to double-check the production database to ensure that
there aren't others; otherwise, this fixes #107.
Update footer.jinja
Merge branch 'devel' into release/1.3.48

Conflicts:
	website/templates/website/footer.jinja
Merge branch '107-fix-malformed-values' into release/1.3.48