Fix search by hacking around Django's abstract manager restriction
Fix search by hacking around Django's abstract manager restriction

frankier/mezzanine,ryneeverett/mezzanine,wbtuomela/mezzanine,dsanders11/mezzanine,sjuxax/mezzanine,readevalprint/mezzanine,dsanders11/mezzanine,molokov/mezzanine,christianwgd/mezzanine,wbtuomela/mezzanine,sjdines/mezzanine,readevalprint/mezzanine,stephenmcd/mezzanine,jerivas/mezzanine,ryneeverett/mezzanine,sjuxax/mezzanine,stephenmcd/mezzanine,ryneeverett/mezzanine,frankier/mezzanine,jerivas/mezzanine,sjdines/mezzanine,stephenmcd/mezzanine,christianwgd/mezzanine,sjuxax/mezzanine,readevalprint/mezzanine,dsanders11/mezzanine,wbtuomela/mezzanine,sjdines/mezzanine,frankier/mezzanine,jerivas/mezzanine,molokov/mezzanine,christianwgd/mezzanine,molokov/mezzanine