refactor: Replace electron-prebuilt with electron

Author: uetchy

package.json

@@ -21,8 +21,8 @@
   },
   "devDependencies": {
     "electron-packager": "^7.3.0",
-    "electron-prebuilt": "^1.2.8",
     "mocha": "^3.0.1",
+    "electron": "^1.3.3",
     "npm-run-all": "^2.3.0",
     "plist": "^1.2.0",
     "spectron": "^3.3.0",

test/electron.spec.js

@@ -6,7 +6,7 @@ describe('application launch', function () {
 
 	beforeEach(function () {
 		this.app = new Application({
-			path: './node_modules/electron-prebuilt/dist/Electron.app/Contents/MacOS/Electron',
+			path: './node_modules/electron/dist/Electron.app/Contents/MacOS/Electron',
 			args: ['.']
 		})
 		return this.app.start()