Issues installing

```
s/f/electron-code-editor ╍ yarn; yarn start (1s 446ms)
yarn install v0.16.1
info No lockfile found.
warning electron-code-editor@1.0.0: "dependencies" has dependency "electron" with range "^1.4.7" that collides with a dependency in "devDependencies" of the same name with version "^1.4.1"
[1/4] 🔍 Resolving packages...
warning electron > electron-download > nugget > progress-stream > through2 > xtend > object-keys@0.4.0:
[2/4] 🚚 Fetching packages...
[3/4] 🔗 Linking dependencies...
[4/4] 📃 Building fresh packages...
success Saved lockfile.
✨ Done in 52.66s.
yarn start v0.16.1
$ electron .
App threw an error during load
Error: Cannot find module 'electron-default-menu'
at Module._resolveFilename (module.js:455:15)
at Function.Module._resolveFilename (/Users/spenner/src/felixrieseberg/electron-code-editor/node_modules/electron/dist/Electron.app/Contents/Resources/electron.asar/common/reset-search-paths.js:35:12)
at Function.Module._load (module.js:403:25)
at Module.require (module.js:483:17)
at require (internal/module.js:20:19)
at Object. (/Users/spenner/src/felixrieseberg/electron-code-editor/menu.js:1:100)
at Module._compile (module.js:556:32)
at Object.Module._extensions..js (module.js:565:10)
at Module.load (module.js:473:32)
at tryModuleLoad (module.js:432:12)
```