Problem with subscribing to http://substack.net/blog.xml

[elliotf]

message: 'Validator "required" failed for path link'

[elliotf]

This last commit broke the travis build; mocha does not seem to be installed in travis. Reverting.

[elliotf]

Reverted as part of 49d173a

[elliotf]

Problem appears to be due to substack.net/blog.xml being malformed. It does not have a self url, but article links refer to self. feedparser was changed to be more forgiving of feeds, so try updating it again.

[elliotf]

It appears to work now, but there are no links due to issues with lack of canonical URLs. It may be fixed by updating feedparser.

[elliotf]

It was not fixed by updating feedparser. Urls are now the plain relative path that is not very useful at all.