Merge pull request #442 from jimblackler/master

Add my project to the list of Java projects that use JSON-Schema-Test-Suite.

Author: Julian

README.md

@@ -122,6 +122,7 @@ This suite is being used by:
 * [networknt/json-schema-validator](https://github.com/networknt/json-schema-validator)
 * [Justify](https://github.com/leadpony/justify)
 * [Snow](https://github.com/ssilverman/snowy-json)
+* [jsonschemafriend](https://github.com/jimblackler/jsonschemafriend)
 
 ### JavaScript