Refactor configs and constants, standardize on uppercase/snakecase, alphebetize, rename for logical grouping

packages/website/ts/components/fill_order_json.tsx

@@ -41,9 +41,10 @@ export class FillOrderJSON extends React.Component<FillOrderJSONProps, FillOrder
             v: 27,
         };
         const hintSalt = ZeroEx.generatePseudoRandomSalt();
+        const feeRecipient = constants.NULL_ADDRESS;
         const hintOrder = utils.generateOrder(this.props.networkId, exchangeContract, hintSideToAssetToken,
                                               hintOrderExpiryTimestamp, '', '', constants.MAKER_FEE,
-                                              constants.TAKER_FEE, constants.FEE_RECIPIENT_ADDRESS,
+                                              constants.TAKER_FEE, feeRecipient,
                                               hintSignatureData, this.props.tokenByAddress, hintSalt);
         const hintOrderJSON = `${JSON.stringify(hintOrder, null, '\t').substring(0, 500)}...`;
         return (