Merge pull request #438 from zebroc/master

Adds section 'Travel' and APIs.is (Collection of Icelandic APIs)

README.md

@@ -469,6 +469,7 @@ API | Description | Auth | HTTPS | Link |
 | Bay Area Rapid Transit | Stations and predicted arrivals for BART | `apiKey` | No | [Go!](http://api.bart.gov) |
 | Community Transit | Transitland API | No | Yes | [Go!](https://github.com/transitland/transitland-datastore/blob/master/README.md#api-endpoints) |
 | Goibibo | API for travel search | `apiKey` | Yes | [Go!](https://developer.goibibo.com/docs) |
+| Icelandic APIs | Open APIs that deliver services in or regarding Iceland | No | Yes | [Go!](http://docs.apis.is/) |
 | Indian Railways | Indian Railways Information | `apiKey` | No | [Go!](http://api.erail.in/) |
 | Izi | Audio guide for travellers | `apiKey` | Yes | [Go!](http://api-docs.izi.travel/) |
 | Navitia | The open API for building cool stuff with transport data | `apiKey` | Yes | [Go!](https://api.navitia.io/) |