Set DATABASE_URL environment variable for Travis builds
Set DATABASE_URL environment variable for Travis builds

cellcounter/cellcounter,cellcounter/cellcounter,haematologic/cellcountr,haematologic/cellcountr,cellcounter/cellcounter,haematologic/cellcounter,haematologic/cellcounter,cellcounter/cellcounter,haematologic/cellcounter,oghm2/hackdayoxford,oghm2/hackdayoxford