Work-around for config setting issue.  For now, is_ok? only triggers when blog_name is unset.  Any other unset value is treated as a default and allowed.  This isn't an ideal long-term solution, but it closes #223 and #227.
Work-around for config setting issue.  For now, is_ok? only triggers when blog_name is unset.  Any other unset value is treated as a default and allowed.  This isn't an ideal long-term solution, but it closes #223 and #227.

git-svn-id: 70ab0960c3db1cbf656efd6df54a8f3de72dc710@458 820eb932-12ee-0310-9ca8-eeb645f39767

swombat/blog,swombat/blog,swombat/blog,swombat/blog,swombat/blog