Merge branch 'release/0.4.1' into develop
Fix relative links.
Merge pull request #140 from fedora-infra/feature/static-files

Fix relative links.
Only show links in the widget if they're not null.
Only show links in the raw template if they're not null.
Merge pull request #141 from fedora-infra/feature/fix-null-links

Only show links if they're not null.
Patch out flask-sqlalchemy.
0.4.2
Merge branch 'release/0.4.2'