Not compatible with your operating system or architecture

Hi, couldn't install grapesjs on Ubuntu 16.04:

npm WARN optional Skipping failed optional dependency /chokidar/fsevents:
npm WARN notsup Not compatible with your operating system or architecture
[npm-debug.log.zip](https://github.com/artf/grapesjs/files/1391124/npm-debug.log.zip)
[npm-debug.log](https://github.com/artf/grapesjs/files/1391128/npm-debug.log)

: [email protected]
npm ERR! Linux 4.4.0-97-generic
npm ERR! argv "/usr/bin/nodejs" "/usr/bin/npm" "i"
npm ERR! node v4.2.6
npm ERR! npm  v3.5.2
npm ERR! file sh
npm ERR! code ELIFECYCLE
npm ERR! errno ENOENT
npm ERR! syscall spawn

npm ERR! [email protected] install: `node scripts/install.js`
npm ERR! spawn ENOENT
npm ERR! 
npm ERR! Failed at the [email protected] install script 'node scripts/install.js'.
npm ERR! Make sure you have the latest version of node.js and npm installed.
npm ERR! If you do, this is most likely a problem with the node-sass package,
npm ERR! not with npm itself.
npm ERR! Tell the author that this fails on your system:
npm ERR!     node scripts/install.js
npm ERR! You can get information on how to open an issue for this project with:
npm ERR!     npm bugs node-sass
npm ERR! Or if that isn't available, you can get their info via:
npm ERR!     npm owner ls node-sass
npm ERR! There is likely additional logging output above.

npm ERR! Please include the following file with any support request:
npm ERR!     /root/grapesjs/npm-debug.log