Fix slashes in blog urlpatterns.
Fix slashes in blog urlpatterns.

stephenmcd/mezzanine,viaregio/mezzanine,eino-makitalo/mezzanine,jerivas/mezzanine,frankier/mezzanine,wbtuomela/mezzanine,christianwgd/mezzanine,viaregio/mezzanine,Cicero-Zhao/mezzanine,spookylukey/mezzanine,viaregio/mezzanine,molokov/mezzanine,Cicero-Zhao/mezzanine,douglaskastle/mezzanine,sjuxax/mezzanine,douglaskastle/mezzanine,douglaskastle/mezzanine,sjdines/mezzanine,readevalprint/mezzanine,molokov/mezzanine,ryneeverett/mezzanine,wbtuomela/mezzanine,stephenmcd/mezzanine,gradel/mezzanine,jerivas/mezzanine,ryneeverett/mezzanine,dsanders11/mezzanine,spookylukey/mezzanine,eino-makitalo/mezzanine,frankier/mezzanine,gradel/mezzanine,sjdines/mezzanine,vladir/mezzanine,frankier/mezzanine,gradel/mezzanine,christianwgd/mezzanine,vladir/mezzanine,sjuxax/mezzanine,eino-makitalo/mezzanine,dsanders11/mezzanine,vladir/mezzanine,spookylukey/mezzanine,promil23/mezzanine,jerivas/mezzanine,sjdines/mezzanine,readevalprint/mezzanine,sjuxax/mezzanine,christianwgd/mezzanine,ryneeverett/mezzanine,readevalprint/mezzanine,dsanders11/mezzanine,molokov/mezzanine,promil23/mezzanine,wbtuomela/mezzanine,stephenmcd/mezzanine,promil23/mezzanine