Update gem dependencies
Update gem dependencies

chriswhong/citygram,shravan20084312/citygram,openchattanooga/citygram,shravan20084312/citygram,BetaNYC/citygram-nyc,codeforamerica/citygram,codeforamerica/citygram,beetz12/citygram,shravan20084312/citygram,codefortulsa/citygram,openchattanooga/citygram,elberdev/citygram-nyc,codeforamerica/citygram,beetz12/citygram,elberdev/citygram-nyc,codeforamerica/citygram,elberdev/citygram-nyc,chriswhong/citygram,BetaNYC/citygram-nyc,BetaNYC/citygram-nyc,codefortulsa/citygram,beetz12/citygram,BetaNYC/citygram-nyc,codefortulsa/citygram