Index: frontend/node_modules/json-schema-traverse/spec/.eslintrc.yml
===================================================================
--- frontend/node_modules/json-schema-traverse/spec/.eslintrc.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/json-schema-traverse/spec/.eslintrc.yml	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,6 @@
+parserOptions:
+  ecmaVersion: 6
+globals:
+  beforeEach: false
+  describe: false
+  it: false
Index: frontend/node_modules/json-schema-traverse/spec/fixtures/schema.js
===================================================================
--- frontend/node_modules/json-schema-traverse/spec/fixtures/schema.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/json-schema-traverse/spec/fixtures/schema.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,125 @@
+'use strict';
+
+var schema = {
+  additionalItems: subschema('additionalItems'),
+  items: subschema('items'),
+  contains: subschema('contains'),
+  additionalProperties: subschema('additionalProperties'),
+  propertyNames: subschema('propertyNames'),
+  not: subschema('not'),
+  allOf: [
+    subschema('allOf_0'),
+    subschema('allOf_1'),
+    {
+      items: [
+        subschema('items_0'),
+        subschema('items_1'),
+      ]
+    }
+  ],
+  anyOf: [
+    subschema('anyOf_0'),
+    subschema('anyOf_1'),
+  ],
+  oneOf: [
+    subschema('oneOf_0'),
+    subschema('oneOf_1'),
+  ],
+  definitions: {
+    foo: subschema('definitions_foo'),
+    bar: subschema('definitions_bar'),
+  },
+  properties: {
+    foo: subschema('properties_foo'),
+    bar: subschema('properties_bar'),
+  },
+  patternProperties: {
+    foo: subschema('patternProperties_foo'),
+    bar: subschema('patternProperties_bar'),
+  },
+  dependencies: {
+    foo: subschema('dependencies_foo'),
+    bar: subschema('dependencies_bar'),
+  },
+  required: ['foo', 'bar']
+};
+
+
+function subschema(keyword) {
+  var sch = {
+    properties: {},
+    additionalProperties: false,
+    additionalItems: false,
+    anyOf: [
+      {format: 'email'},
+      {format: 'hostname'}
+    ]
+  };
+  sch.properties['foo_' + keyword] = {title: 'foo'};
+  sch.properties['bar_' + keyword] = {title: 'bar'};
+  return sch;
+}
+
+
+module.exports = {
+  schema: schema,
+
+  // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+  expectedCalls: [[schema, '', schema, undefined, undefined, undefined, undefined]]
+    .concat(expectedCalls('additionalItems'))
+    .concat(expectedCalls('items'))
+    .concat(expectedCalls('contains'))
+    .concat(expectedCalls('additionalProperties'))
+    .concat(expectedCalls('propertyNames'))
+    .concat(expectedCalls('not'))
+    .concat(expectedCallsChild('allOf', 0))
+    .concat(expectedCallsChild('allOf', 1))
+    .concat([
+      [schema.allOf[2], '/allOf/2', schema, '', 'allOf', schema, 2],
+      [schema.allOf[2].items[0], '/allOf/2/items/0', schema, '/allOf/2', 'items', schema.allOf[2], 0],
+      [schema.allOf[2].items[0].properties.foo_items_0, '/allOf/2/items/0/properties/foo_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'foo_items_0'],
+      [schema.allOf[2].items[0].properties.bar_items_0, '/allOf/2/items/0/properties/bar_items_0', schema, '/allOf/2/items/0', 'properties', schema.allOf[2].items[0], 'bar_items_0'],
+      [schema.allOf[2].items[0].anyOf[0], '/allOf/2/items/0/anyOf/0', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 0],
+      [schema.allOf[2].items[0].anyOf[1], '/allOf/2/items/0/anyOf/1', schema, '/allOf/2/items/0', 'anyOf', schema.allOf[2].items[0], 1],
+
+      [schema.allOf[2].items[1], '/allOf/2/items/1', schema, '/allOf/2', 'items', schema.allOf[2], 1],
+      [schema.allOf[2].items[1].properties.foo_items_1, '/allOf/2/items/1/properties/foo_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'foo_items_1'],
+      [schema.allOf[2].items[1].properties.bar_items_1, '/allOf/2/items/1/properties/bar_items_1', schema, '/allOf/2/items/1', 'properties', schema.allOf[2].items[1], 'bar_items_1'],
+      [schema.allOf[2].items[1].anyOf[0], '/allOf/2/items/1/anyOf/0', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 0],
+      [schema.allOf[2].items[1].anyOf[1], '/allOf/2/items/1/anyOf/1', schema, '/allOf/2/items/1', 'anyOf', schema.allOf[2].items[1], 1]
+    ])
+    .concat(expectedCallsChild('anyOf', 0))
+    .concat(expectedCallsChild('anyOf', 1))
+    .concat(expectedCallsChild('oneOf', 0))
+    .concat(expectedCallsChild('oneOf', 1))
+    .concat(expectedCallsChild('definitions', 'foo'))
+    .concat(expectedCallsChild('definitions', 'bar'))
+    .concat(expectedCallsChild('properties', 'foo'))
+    .concat(expectedCallsChild('properties', 'bar'))
+    .concat(expectedCallsChild('patternProperties', 'foo'))
+    .concat(expectedCallsChild('patternProperties', 'bar'))
+    .concat(expectedCallsChild('dependencies', 'foo'))
+    .concat(expectedCallsChild('dependencies', 'bar'))
+};
+
+
+function expectedCalls(keyword) {
+  return [
+    [schema[keyword], `/${keyword}`, schema, '', keyword, schema, undefined],
+    [schema[keyword].properties[`foo_${keyword}`], `/${keyword}/properties/foo_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `foo_${keyword}`],
+    [schema[keyword].properties[`bar_${keyword}`], `/${keyword}/properties/bar_${keyword}`, schema, `/${keyword}`, 'properties', schema[keyword], `bar_${keyword}`],
+    [schema[keyword].anyOf[0], `/${keyword}/anyOf/0`, schema, `/${keyword}`, 'anyOf', schema[keyword], 0],
+    [schema[keyword].anyOf[1], `/${keyword}/anyOf/1`, schema, `/${keyword}`, 'anyOf', schema[keyword], 1]
+  ];
+}
+
+
+function expectedCallsChild(keyword, i) {
+  return [
+    [schema[keyword][i], `/${keyword}/${i}`, schema, '', keyword, schema, i],
+    [schema[keyword][i].properties[`foo_${keyword}_${i}`], `/${keyword}/${i}/properties/foo_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `foo_${keyword}_${i}`],
+    [schema[keyword][i].properties[`bar_${keyword}_${i}`], `/${keyword}/${i}/properties/bar_${keyword}_${i}`, schema, `/${keyword}/${i}`, 'properties', schema[keyword][i], `bar_${keyword}_${i}`],
+    [schema[keyword][i].anyOf[0], `/${keyword}/${i}/anyOf/0`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 0],
+    [schema[keyword][i].anyOf[1], `/${keyword}/${i}/anyOf/1`, schema, `/${keyword}/${i}`, 'anyOf', schema[keyword][i], 1]
+  ];
+}
Index: frontend/node_modules/json-schema-traverse/spec/index.spec.js
===================================================================
--- frontend/node_modules/json-schema-traverse/spec/index.spec.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
+++ frontend/node_modules/json-schema-traverse/spec/index.spec.js	(revision 9af201e94b5a79beb92a30858fc54de4bc3b9449)
@@ -0,0 +1,171 @@
+'use strict';
+
+var traverse = require('../index');
+var assert = require('assert');
+
+describe('json-schema-traverse', function() {
+  var calls;
+
+  beforeEach(function() {
+    calls = [];
+  });
+
+  it('should traverse all keywords containing schemas recursively', function() {
+    var schema = require('./fixtures/schema').schema;
+    var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+    traverse(schema, {cb: callback});
+    assert.deepStrictEqual(calls, expectedCalls);
+  });
+
+  describe('Legacy v0.3.1 API', function() {
+    it('should traverse all keywords containing schemas recursively', function() {
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should work when an options object is provided', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var schema = require('./fixtures/schema').schema;
+      var expectedCalls = require('./fixtures/schema').expectedCalls;
+
+      traverse(schema, {}, callback);
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+
+  describe('allKeys option', function() {
+    var schema = {
+      someObject: {
+        minimum: 1,
+        maximum: 2
+      }
+    };
+
+    it('should traverse objects with allKeys: true option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined],
+        [schema.someObject, '/someObject', schema, '', 'someObject', schema, undefined]
+      ];
+
+      traverse(schema, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects with allKeys: false option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {allKeys: false, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT traverse objects without allKeys option', function() {
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema, '', schema, undefined, undefined, undefined, undefined]
+      ];
+
+      traverse(schema, {cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+
+    it('should NOT travers objects in standard keywords which value is not a schema', function() {
+      var schema2 = {
+        const: {foo: 'bar'},
+        enum: ['a', 'b'],
+        required: ['foo'],
+        another: {
+
+        },
+        patternProperties: {}, // will not traverse - no properties
+        dependencies: true, // will not traverse - invalid
+        properties: {
+          smaller: {
+            type: 'number'
+          },
+          larger: {
+            type: 'number',
+            minimum: {$data: '1/smaller'}
+          }
+        }
+      };
+
+      // schema, jsonPtr, rootSchema, parentJsonPtr, parentKeyword, parentSchema, keyIndex
+      var expectedCalls = [
+        [schema2, '', schema2, undefined, undefined, undefined, undefined],
+        [schema2.another, '/another', schema2, '', 'another', schema2, undefined],
+        [schema2.properties.smaller, '/properties/smaller', schema2, '', 'properties', schema2, 'smaller'],
+        [schema2.properties.larger, '/properties/larger', schema2, '', 'properties', schema2, 'larger'],
+      ];
+
+      traverse(schema2, {allKeys: true, cb: callback});
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  describe('pre and post', function() {
+    var schema = {
+      type: 'object',
+      properties: {
+        name: {type: 'string'},
+        age: {type: 'number'}
+      }
+    };
+
+    it('should traverse schema in pre-order', function() {
+      traverse(schema, {cb: {pre}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in post-order', function() {
+      traverse(schema, {cb: {post}});
+      var expectedCalls = [
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+
+    it('should traverse schema in pre- and post-order at the same time', function() {
+      traverse(schema, {cb: {pre, post}});
+      var expectedCalls = [
+        ['pre', schema, '', schema, undefined, undefined, undefined, undefined],
+        ['pre', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['post', schema.properties.name, '/properties/name', schema, '', 'properties', schema, 'name'],
+        ['pre', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema.properties.age, '/properties/age', schema, '', 'properties', schema, 'age'],
+        ['post', schema, '', schema, undefined, undefined, undefined, undefined],
+      ];
+      assert.deepStrictEqual(calls, expectedCalls);
+    });
+  });
+
+  function callback() {
+    calls.push(Array.prototype.slice.call(arguments));
+  }
+
+  function pre() {
+    calls.push(['pre'].concat(Array.prototype.slice.call(arguments)));
+  }
+
+  function post() {
+    calls.push(['post'].concat(Array.prototype.slice.call(arguments)));
+  }
+});