Merge branch 'dev-section-redesign' into reSkinReferenceDocs

* dev-section-redesign: (87 commits)
  Added note about restriction on `testDirectory`
  fix(dev-utils): Make chai a dev dependency since exported interface depends on it
  Add changelog entries
  fix(subproviders): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(sra-spec): make @loopback/openapi-v3-types a 'dependency' so it's available to users of the library
  fix(sol-cov): make @types/solidity-parser-antlr a 'dependency' so it's available to users of the library
  fix(dev-utils): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(0x.js): make web3-provider-engine types a 'dependency' so it's available to users of the library
  fix(monorepo-scripts): Move the creation of the `.installation-test` directory OUTSIDE of the monorepo root, so that the installed packages can't reference the hoisted node_modules folder
  Remove ContractNotFound errors in contract-wrappers
  Update prettierignore
  Update website to use the new unsubscribeAll method in contract-wrappers
  In abi-gen-wrappers, ./wrappers -> ./src/generated-wrappers
  In contract-wrappers, remove setProvider and add unsubscribeAll method.
  take out explicit children definition in props
  Update json-schemas for contract-wrappers
  Add OrThrow suffix to getContractAddressesForNetwork
  remove unused import
  Update CHANGELOG.json for all changed packages
  Remove ContractAddresses from packages/types (mistake after rebase)
  ...

1 files changed, 2 insertions, 4 deletions

diff --git a/packages/order-utils/src/signature_utils.ts b/packages/order-utils/src/signature_utils.ts
index 372d210d0..d755846ad 100644
--- a/packages/order-utils/src/signature_utils.ts
+++ b/packages/order-utils/src/signature_utils.ts
@@ -1,3 +1,5 @@
+import { ExchangeContract, IValidatorContract, IWalletContract } from '@0xproject/abi-gen-wrappers';
+import * as artifacts from '@0xproject/contract-artifacts';
 import { schemas } from '@0xproject/json-schemas';
 import { ECSignature, Order, SignatureType, SignedOrder, ValidatorSignature } from '@0xproject/types';
 import { Web3Wrapper } from '@0xproject/web3-wrapper';
@@ -5,12 +7,8 @@ import { Provider } from 'ethereum-types';
 import * as ethUtil from 'ethereumjs-util';
 import * as _ from 'lodash';
 
-import { artifacts } from './artifacts';
 import { assert } from './assert';
 import { eip712Utils } from './eip712_utils';
-import { ExchangeContract } from './generated_contract_wrappers/exchange';
-import { IValidatorContract } from './generated_contract_wrappers/i_validator';
-import { IWalletContract } from './generated_contract_wrappers/i_wallet';
 import { orderHashUtils } from './order_hash';
 import { OrderError } from './types';
 import { utils } from './utils';