Squashed commit of the following:

commit f1ce11d4a2dd8503a4f04c9cf7d8ceaae27b974c
Merge: 2e27e18b 622f6c1
Author: Mike Street <mikestreety@gmail.com>
Date:   Wed Jun 29 22:18:28 2016 +0100

    Merge branch 'master' of git://github.com/PeterKassenaar/public-apis into PeterKassenaar-master

commit 622f6c1a47eef5b31789daceca7cd04ca3435ace
Author: Peter Kassenaar <info@kassenaar.com>
Date:   Thu Apr 21 11:26:46 2016 +0200

    Delete .gitignore

commit d45ad23a635c7292c70841f5bd2ce699a9e88167
Author: Peter Kassenaar <info@kassenaar.com>
Date:   Thu Apr 21 11:24:26 2016 +0200

    Added PostcodeData.nl

README.md

@@ -117,6 +117,7 @@ A collective list of JSON APIs for use in web development.
 | IP 2 Country | Map an IP to a country | No | [Go!](https://ip2country.info) |
 | GeoNames | Place names and other geographical data | No | [Go!](http://www.geonames.org/export/web-services.html) |
 | Mexico | Mexico RESTful zip codes API | No | [Go!](https://github.com/IcaliaLabs/sepomex) |
+| PostcodeData.nl | Provide geolocation data based on postcode for Dutch addresses | No | [Go!](http://api.postcodedata.nl/v1/postcode/?postcode=1211EP&streetnumber=60&ref=domeinnaam.nl&type=json) |
 
 ### Health