Add project information in response of list and get call of all resources.

[bigdatasourav]

This will help to get details of project information for several resources like database, droplet, volume etc.

[andrewsomething]

This is something that requires changed from the DigitalOcean API. Since opened support for this has been added for:

• Databases: https://github.com/digitalocean/godo/pull/537
• Load balancers: https://github.com/digitalocean/godo/pull/568

We will provide updates if/when other resources support this.