Move RDF API methods to new json-ld-rdf document.

Cleanup references within RDF algorithms to not require RDf WebIDL definitions.
This addresses issue #200.

Author: gkellogg

spec/index.php

@@ -129,6 +129,21 @@ function getDrafts($spec)
                  <li><a href="latest/rdf-graph-normalization/">latest</a></li>
 <?php
 
+$drafts = getDrafts('json-ld-rdf');
+
+foreach ($drafts as $date => $dir) {
+    print("                 <li><a href=\"$dir/\">$date</a></li>");
+}
+
+?>
+               </ul>
+
+
+               <h2>JSON-LD RDF API</h2>
+               <ul>
+                 <li><a href="latest/json-ld-rdf/">latest</a></li>
+<?php
+
 $drafts = getDrafts('rdf-graph-normalization');
 
 foreach ($drafts as $date => $dir) {

spec/latest/index.php

@@ -46,6 +46,9 @@
                  <li><a href="json-ld-framing/">JSON-LD Framing</a> - JSON-LD
                  Framing describes the Application Programming Interface for
                  flattening and framing JSON-LD documents.</li>
+                 <li><a href="json-ld-rdf/">JSON-LD RDF API</a> - JSON-LD
+                 RDF AP describes the Application Programming Interface for
+                 transforming JSON-LD to RDF.</li>
                  <li><a href="rdf-graph-normalization/">RDF Graph Normalization</a> - 
                  The RDF Graph Normalization document is a general algorithm for
                  serializing RDF graphs. It is most useful when comparing