Update cartodb.js dependency to current v4 (branch) HEAD
Update cartodb.js dependency to current v4 (branch) HEAD

CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,CartoDB/cartodb,splashblot/deep-insights.js,CartoDB/cartodb,splashblot/dronedb,splashblot/dronedb,splashblot/dronedb,splashblot/deep-insights.js,splashblot/dronedb,splashblot/dronedb