Revert "Migrate isRoundingError parameter changes"

This reverts commit 9a200c67210599faf5eb735893abae99f72a4d1f.

src/artifacts/exchange/Exchange_v1.json

@@ -31,11 +31,11 @@
       "constant": true,
       "inputs": [
         {
-          "name": "numerator",
+          "name": "denominator",
           "type": "uint256"
         },
         {
-          "name": "denominator",
+          "name": "numerator",
           "type": "uint256"
         },
         {

src/contract_wrappers/exchange_wrapper.ts

@@ -662,7 +662,7 @@ export class ExchangeWrapper extends ContractWrapper {
                                                                senderAddress, zrxTokenAddress);
 
         const wouldRoundingErrorOccur = await this._isRoundingErrorAsync(
-            fillTakerAmount, signedOrder.takerTokenAmount, signedOrder.makerTokenAmount,
+            signedOrder.takerTokenAmount, fillTakerAmount, signedOrder.makerTokenAmount,
             signedOrder.exchangeContractAddress,
         );
         if (wouldRoundingErrorOccur) {
@@ -764,14 +764,14 @@ export class ExchangeWrapper extends ContractWrapper {
             throw new Error(errMessage);
         }
     }
-    private async _isRoundingErrorAsync(numerator: BigNumber.BigNumber,
-                                        denominator: BigNumber.BigNumber,
-                                        target: BigNumber.BigNumber,
+    private async _isRoundingErrorAsync(takerTokenAmount: BigNumber.BigNumber,
+                                        fillTakerAmount: BigNumber.BigNumber,
+                                        makerTokenAmount: BigNumber.BigNumber,
                                         exchangeContractAddress: string): Promise<boolean> {
         await assert.isUserAddressAvailableAsync(this._web3Wrapper);
         const exchangeInstance = await this._getExchangeContractAsync(exchangeContractAddress);
         const isRoundingError = await exchangeInstance.isRoundingError.call(
-            numerator, denominator, target,
+            takerTokenAmount, fillTakerAmount, makerTokenAmount,
         );
         return isRoundingError;
     }

src/types.ts

@@ -68,8 +68,8 @@ export interface ExchangeContract extends ContractInstance {
         call: (orderHash: string) => BigNumber.BigNumber;
     };
     isRoundingError: {
-        call: (numerator: BigNumber.BigNumber, denominator: BigNumber.BigNumber,
-               target: BigNumber.BigNumber, txOpts?: TxOpts) => Promise<boolean>;
+        call: (takerTokenAmount: BigNumber.BigNumber, fillTakerAmount: BigNumber.BigNumber,
+               makerTokenAmount: BigNumber.BigNumber, txOpts?: TxOpts) => Promise<boolean>;
     };
     fill: {
         (orderAddresses: OrderAddresses, orderValues: OrderValues, fillAmount: BigNumber.BigNumber,