add further ruby implementation details

Author: geemus

implementations.html

@@ -69,6 +69,7 @@ <h3>Ruby</h3>
 		<li><a id="link-impl-ruby-jsonchema" href="https://github.com/Constellation/ruby-jsonchema">ruby-jsonschema</a> (MIT)</li>
 		<li><a id="link-impl-ruby-hoxworth-json-schema" href="https://github.com/hoxworth/json-schema">json-schema</a> - <em>supports version 4</em> (MIT)</li>
 		<li><a id="link-impl-ruby-jschema" href="https://github.com/Soylent/jschema">JSchema</a> - <em>supports version 4</em> (MIT)</li>
+		<li><a id="link-impl-validators-brandur-json-schema" href="https://github.com/brandur/json_schema">json_schema</a> <em>supports version 4 and hyperschema</em> (MIT)</li>
 	</ul>
 
 	<h3>Perl</h3>
@@ -193,6 +194,11 @@ <h3>JavaScript</h3>
 	<ul>
 		<li><a id="link-impl-jsonary" href="http://jsonary.com/">Jsonary</a> - <em>supports version 4</em> (MIT)</li>
 	</ul>
+
+  <h3>Ruby</h3>
+  <ul>
+    <li><a id="link-impl-hyper-brandur-json-schema" href="https://github.com/brandur/json_schema">json_schema</a> <em>supports version 4 and hyperschema</em> (MIT)</li>
+  </ul>
 </div>
 
 <div class="show-hide" data-target="documentation-list"></div>
@@ -203,6 +209,11 @@ <h3>JavaScript</h3>
 		<li><a id="link-impl-matic" href="https://github.com/mattyod/matic">Matic</a> (MIT)</li>
 		<li><a id="link-impl-docson" href="https://github.com/lbovet/docson">Docson</a> (Apache 2.0)</li>
 	</ul>
+
+  <h3>Ruby</h3>
+  <ul>
+    <li><a id="link-impl-prmd" href="https://github.com/interagent/prmd">prmd</a> (MIT)</li>
+  </ul>
 </div>
 
 <div class="show-hide" data-target="other-list"></div>