Release: 0.2.3

0.2.3

0.2.2: release on merge to `master`

This seeks to avoid the following error:

```
error: github returned 422 Unprocessable Entity (this is probably because the release already exists)
```

Example:
https://travis-ci.org/Comcast/terraform-provider-akamai/jobs/277418460

Release: 0.2.1

0.2.1