Update the doc links to point at 0.15

index.html

@@ -10,14 +10,14 @@ For information about building json-c, see the <a href="https://github.com/json-
 
 <h2>Versions:</h2>
 
-<p>Current release: <a href="json-c-current-release/doc/html/index.html">json-c-0.14</a>
+<p>Current release: <a href="json-c-current-release/doc/html/index.html">json-c-0.15</a>
 <br>Best starting points:
 <a href="json-c-current-release/doc/html/json__object_8h.html">json_object.h</a> or
 <a href="json-c-current-release/doc/html/json__tokener_8h.html">json_tokener.h</a>
 
-You can also look at the tests in <a href="https://github.com/json-c/json-c/blob/json-c-0.14/tests/">the tests directory</a> for some examples.<br>
+You can also look at the tests in <a href="https://github.com/json-c/json-c/blob/json-c-0.15/tests/">the tests directory</a> for some examples.<br>
 One of the simplest examples is
-<a href="https://github.com/json-c/json-c/blob/json-c-0.14-20200419/tests/test2.c">test2.c</a>.
+<a href="https://github.com/json-c/json-c/blob/json-c-0.15-20200726/tests/test2.c">test2.c</a>.
 </p>
 
 <p>Note: for the most recent development docs <a href="https://github.com/json-c/json-c">clone the source</a> and run:
@@ -34,6 +34,12 @@ Then look in the doc/html directory.
 
 <ul>
 
+<li><a href="json-c-0.15/doc/html/index.html">json-c-0.15</a>
+<br>Best starting points:
+<a href="json-c-0.15/doc/html/json__object_8h.html">json_object.h</a> or
+<a href="json-c-0.15/doc/html/json__tokener_8h.html">json_tokener.h</a>
+</li>
+
 <li><a href="json-c-0.14/doc/html/index.html">json-c-0.14</a>
 <br>Best starting points:
 <a href="json-c-0.14/doc/html/json__object_8h.html">json_object.h</a> or