Refactor coding style

Hide the fact that we define functions in a loop from jshint!

lib/cartodb/api/overviews_api.js

@@ -23,8 +23,8 @@ OverviewsApi.prototype.getOverviewsMetadata = function (username, sql, callback)
             var parallelism = 2;
             var q = queue(parallelism);
 
-            for ( var i=0; i < tableNames.length; ++i ) {
-                q.defer(function(tableName, done){
+            tableNames.forEach(function(tableName) {
+                q.defer(function(done){
                     var query = "SELECT * FROM CDB_Overviews('" + tableName + "');";
                     this.pgQueryRunner.run(username, query, handleOverviewsRows, function(err, table_metadata){
                         if (err) {
@@ -34,8 +34,8 @@ OverviewsApi.prototype.getOverviewsMetadata = function (username, sql, callback)
                             done(null);
                         }
                     });
-                }, tableNames[i]);
-            }
+                });
+            });
 
             q.awaitAll(function(err){
               if (err) {