Allow entries without an URL
Allow entries without an URL

If you use a service that turns newsletters into rss feeds you will
receive entries without an url. Saving those entries would fail when
normalizing the url.

nibble/stringer,jeroenj/stringer,swanson/stringer,jqr/stringer,nibble/stringer,Koronen/stringer,geemus/stringer,jeroenj/stringer,jqr/stringer,geemus/stringer,swanson/stringer,jqr/stringer,nibble/stringer,Koronen/stringer,swanson/stringer,jeroenj/stringer,nibble/stringer,jqr/stringer,geemus/stringer,Koronen/stringer,jeroenj/stringer,dperson/stringer,Koronen/stringer,dperson/stringer,swanson/stringer,dperson/stringer,geemus/stringer,dperson/stringer