Fix linter errors

packages/0x.js/contract_templates/contract.handlebars

@@ -2,6 +2,7 @@
  * This file is auto-generated using abi-gen. Don't edit directly.
  * Templates can be found at https://github.com/0xProject/0x.js/tree/development/packages/0x.js/contract_templates.
  */
+// tslint:disable:no-consecutive-blank-lines
 // tslint:disable-next-line:no-unused-variable
 import { TxData, TxDataPayable } from '@0xproject/types';
 import { BigNumber, classUtils, promisify } from '@0xproject/utils';

packages/0x.js/contract_templates/partials/event.handlebars

@@ -1,5 +1,5 @@
 export interface {{name}}ContractEventArgs {
     {{#each inputs}}
-    {{name}}: {{#returnType type}}{{/returnType}},
+    {{name}}: {{#returnType type}}{{/returnType}};
     {{/each}}
-};
+}