Don't try to close the feed on a bad site_url, just circumvent the problem. This fixes http://dev.1flow.net/development/1flow-dev/group/44165/ which is a long standing bug if I remember correctly.
version bump
Merge branch 'hotfix/0.28.2.8'
update to sparks latest (develop).
version bump
Merge branch 'hotfix/0.28.2.9'
fix sparks import in landing page.
version bump
Merge branch 'hotfix/0.28.2.10'