Fix version pattern, so that we support multiple effective date notices
Make SXS work, even when top level sxs doesn't have a label
Remove unused import
Removed unused import
Remove unused import
PEP8
Merge pull request #596 from khandelwal/version_urls

Making URLs and SXS work
Merge pull request #597 from theresaanna/master

catch footer nav link clicks + display error messages
Merge branch 'master' of github.com:eregs/regulations-site