fixing url for blogs which was linking to a user's blog instead of blog_list_all
fixing url for blogs which was linking to a user's blog instead of blog_list_all

git-svn-id: 51ba99f60490c2ee9ba726ccda75a38950f5105d@1559 45601e1e-1555-4799-bd40-45c8c71eef50

alex/pinax,alex/pinax,amarandon/pinax,amarandon/pinax,amarandon/pinax,amarandon/pinax,alex/pinax