Default analyses limits can be defined in configuration

lib/cartodb/server_options.js

@@ -39,7 +39,8 @@ var analysisConfig = _.defaults(global.environment.analysis || {}, {
     },
     logger: {
         filename: undefined
-    }
+    },
+    limits: {}
 });
 
 module.exports = {
@@ -101,7 +102,8 @@ module.exports = {
         },
         logger: {
             filename: analysisConfig.logger.filename
-        }
+        },
+        limits: analysisConfig.limits
     },
     // Do not send unwatch on release. See http://github.com/CartoDB/Windshaft-cartodb/issues/161
     redis: _.extend(global.environment.redis, {unwatchOnRelease: false}),