Update gallery streets schema.
Update gallery streets schema.

macGRID-SRN/streetmix,codeforamerica/streetmix,macGRID-SRN/streetmix,kodujdlapolski/streetmix,CodeForBrazil/streetmix,magul/streetmix,codeforamerica/streetmix,CodeForBrazil/streetmix,kodujdlapolski/streetmix,magul/streetmix,magul/streetmix,CodeForBrazil/streetmix,codeforamerica/streetmix,kodujdlapolski/streetmix,macGRID-SRN/streetmix