Update wikidata references to use http://www.wikidata.org/entity/` type URIs.

Fixes #664.

Author: gkellogg

spec/latest/json-ld-api-best-practices/index.html

@@ -185,7 +185,7 @@ <h2>Resource Representation</h2>
         <pre class="example" title="Example message of type Person">
           {
             "@context": "http://schema.org",
-            "id": "https://www.wikidata.org/wiki/Q76",
+            "id": "http://www.wikidata.org/entity/Q76",
             <strong>"type": "Person"</strong>,
             "name": "Barack Obama",
             "givenName": "Barack",
@@ -201,15 +201,15 @@ <h2>Resource Representation</h2>
         <pre class="example" title="Example JSON-LD identifying a person">
           {
             "@context": "http://schema.org",
-            <strong>"id": "https://www.wikidata.org/wiki/Q76"</strong>,
+            <strong>"id": "http://www.wikidata.org/entity/Q76"</strong>,
             "type": "Person",
             "name": "Barack Obama",
             "givenName": "Barack",
             "familyName": "Obama",
             "jobTitle": "44th President of the United States"
           }
         </pre>
-        <p class="note">There is often ambiguous if an identifier is about the entity being described, or directly represents that entity. As an example, Barack Obama may have a Wikidata entry <code>https://www.wikidata.org/wiki/Q76</code>, but it would be a mistake to say that <code>https://www.wikidata.org/wiki/Q76</code> <em>is</em> Barack Obama. However, it is common to use this pattern, particularly if the <strong>type</strong> of the entity describes a Person, rather than a WebPage.</p>
+        <p class="note">There is often ambiguous if an identifier is about the entity being described, or directly represents that entity. As an example, Barack Obama may have a Wikidata entry <code>http://www.wikidata.org/entity/Q76</code>, but it would be a mistake to say that <code>http://www.wikidata.org/entity/Q76</code> <em>is</em> Barack Obama. However, it is common to use this pattern, particularly if the <strong>type</strong> of the entity describes a Person, rather than a WebPage.</p>
       </div>
 
       <div class="practice">
@@ -225,7 +225,7 @@ <h2>Resource Representation</h2>
         <pre class="example" title="Example typed relationship">
           {
             "@context": "http://schema.org",
-            "id": "https://www.wikidata.org/wiki/Q76",
+            "id": "http://www.wikidata.org/entity/Q76",
             "type": "Person",
             "name": "Barack Obama",
             "givenName": "Barack",
@@ -250,7 +250,7 @@ <h2>Resource Representation</h2>
             "@context": ["http://schema.org", <strong>{
               "image": { "@id": "schema:image", "@type": "@id"}
             }</strong>],
-            "id": "https://www.wikidata.org/wiki/Q76",
+            "id": "http://www.wikidata.org/entity/Q76",
             "type": "Person",
             "name": "Barack Obama",
             "givenName": "Barack",
@@ -268,17 +268,17 @@ <h2>Resource Representation</h2>
         <pre class="example" title="Nested relationships">
           {
             "@context": "http://schema.org",
-            "id": "https://www.wikidata.org/wiki/Q76",
+            "id": "http://www.wikidata.org/entity/Q76",
             "type": "Person",
             "name": "Barack Obama",
             "givenName": "Barack",
             "familyName": "Obama",
             "jobTitle": "44th President of the United States",
             <strong>"spouse": {
-              "id": "https://www.wikidata.org/wiki/Q13133",
+              "id": "http://www.wikidata.org/entity/Q13133",
               "type": "Person",
               "name": "Michelle Obama",
-              "spouse": "https://www.wikidata.org/wiki/Q76"
+              "spouse": "http://www.wikidata.org/entity/Q76"
             }</strong>
           }
         </pre>
@@ -294,7 +294,7 @@ <h2>Resource Representation</h2>
             "@context": ["http://schema.org", <strong>{
               "gender": {"@id": "schema:gender", "@type": "@vocab"}
             }</strong>],
-            "id": "https://www.wikidata.org/wiki/Q76",
+            "id": "http://www.wikidata.org/entity/Q76",
             "type": "Person",
             "name": "Barack Obama",
             "givenName": "Barack",