Use fs-promise.

package.json

@@ -37,6 +37,7 @@
     "exec-promise": "^0.5.1",
     "extendable": "~0.1.0",
     "fibers": "~1.0.5",
+    "fs-promise": "^0.3.1",
     "hashy": "~0.4.2",
     "http-server-plus": "^0.5.0",
     "js-yaml": "^3.2.5",

src/index.js

@@ -9,7 +9,7 @@ import bind from 'lodash.bind';
 import chalk from 'chalk';
 import createConnectApp from 'connect';
 import eventToPromise from 'event-to-promise';
-import fs from 'fs';
+import {readFile} from 'fs-promise';
 import forEach from 'lodash.foreach';
 import has from 'lodash.has';
 import isArray from 'lodash.isarray';
@@ -26,10 +26,6 @@ import {fileExists, wrap} from './utils';
 
 //====================================================================
 
-let readFile = Bluebird.promisify(fs.readFile);
-
-//====================================================================
-
 let info = (...args) => {
 	console.info('[Info]', ...args);
 }