The app listens on localhost and does not work with external requests

Change:
```
  "scripts": {
    "start": "./node_modules/.bin/http-server . -a 127.0.0.1 -p 8080 -o",
```

to 
```
  "scripts": {
    "start": "./node_modules/.bin/http-server . -a 0.0.0.0 -p 8080 -o",
```


https://github.com/daticahealth/node-bower-example/pull/2