updated docs

docs/docs/main_menu.xml

@@ -167,6 +167,10 @@
                   <name>Face Detector</name>
                   <link>face_detector.py.html</link>
                </item>
+               <item>
+                  <name>CNN Face Detector</name>
+                  <link>cnn_face_detector.py.html</link>
+               </item>
                <item>
                   <name>Train Object Detector</name>
                   <link>train_object_detector.py.html</link>

docs/docs/ml.xml

@@ -727,6 +727,7 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
             <example>dnn_mmod_train_find_cars_ex.cpp.html</example>
             <example>dnn_mmod_face_detection_ex.cpp.html</example>
             <example>dnn_mmod_dog_hipsterizer.cpp.html</example>
+            <example>cnn_face_detector.py.html</example>
          </examples>
       </component>