Merge branch 'development' into feature/portal-ledger-support

* development: (437 commits)
  Publish
  Update yarn.lock
  Update the CHANGELOG
  Fix the bug making it impossible to specify the custom ZRX address
  Fix fill/cancel order by looking for NoError instead of empty blockchainErr given the BlockchainErrs type refactor
  Add a comment about a yarn bug
  Add our mainnet and kovan nodes as backups for Portal requests
  Fix bug hiding the user info from topBar
  Add dev-utils package to top level README
  Prettier newline
  Prettier
  Allow Token symbols to be alphanumeric
  Update CHANGELOG, rebase on development
  Should not -> cannot
  Reject negative amounts in isValidBaseUnitAmount
  Re-add changelog for 0x.js
  Fix prettier
  Update yarn.lock
  Move tests to a separate folder
  Change file layout
  ...

# Conflicts:
#	packages/website/README.md

1 files changed, 2 insertions, 2 deletions

diff --git a/packages/contracts/globalsAugment.d.ts b/packages/contracts/globalsAugment.d.ts
index 21f3742ae..9b16ce2ad 100644
--- a/packages/contracts/globalsAugment.d.ts
+++ b/packages/contracts/globalsAugment.d.ts
@@ -1,4 +1,4 @@
-import {BigNumber} from 'bignumber.js';
+import { BigNumber } from '@0xproject/utils';
 
 // HACK: This module overrides the Chai namespace so that we can use BigNumber types inside.
 // Source: https://github.com/Microsoft/TypeScript/issues/7352#issuecomment-191547232
@@ -16,4 +16,4 @@ declare global {
         }
     }
     /* tslint:enable */
-}
\ No newline at end of file
+}