Add type="rss" on subscription list <outline> nodes
See http://feedvalidator.org/docs/warning/MissingOutlineType.html
Include both title and text attributes
See http://feedvalidator.org/docs/warning/MissingTitleAttr.html
Merge pull request #286 from jordidg/master

Improve OPML export
unfuck headlines_hook for syndicated feeds
Merge remote-tracking branch 'upstream/master'