Address review comments

Author: drew-gross

Schema.js

@@ -76,7 +76,8 @@ function classNameIsValid(className) {
     className === '_SCHEMA' || //TODO: remove this, as _SCHEMA is not a valid class name for storing Parse Objects.
     className === '_Role' ||
     joinClassRegex.test(className) ||
-    classAndFieldRegex.test(className)
+    //Class names have the same constraints as field names, but also allow the previous additional names.
+    fieldNameIsValid(className)
   );
 }
 

schemas.js

@@ -32,10 +32,10 @@ function mongoFieldTypeToSchemaAPIType(type) {
 
 function mongoSchemaAPIResponseFields(schema) {
   fieldNames = Object.keys(schema).filter(key => key !== '_id');
-  response = {};
-  fieldNames.forEach(fieldName => {
-    response[fieldName] = mongoFieldTypeToSchemaAPIType(schema[fieldName]);
-  });
+  response = fieldNames.reduce((obj, fieldName) => {
+    obj[fieldName] = mongoFieldTypeToSchemaAPIType(schema[fieldName])
+    return obj;
+  }, {});
   response.ACL = {type: 'ACL'};
   response.createdAt = {type: 'Date'};
   response.updatedAt = {type: 'Date'};