Change size threshold for overviews, add timeout value
Change size threshold for overviews, add timeout value

splashblot/dronedb,codeandtheory/cartodb,splashblot/dronedb,codeandtheory/cartodb,splashblot/dronedb,codeandtheory/cartodb,splashblot/dronedb,codeandtheory/cartodb,CartoDB/cartodb,bloomberg/cartodb,bloomberg/cartodb,CartoDB/cartodb,bloomberg/cartodb,CartoDB/cartodb,CartoDB/cartodb,bloomberg/cartodb,codeandtheory/cartodb,bloomberg/cartodb,splashblot/dronedb,CartoDB/cartodb