updated docs

docs/docs/main_menu.xml

@@ -154,6 +154,10 @@
          <item nolink="true">
             <name>Examples: C++</name>
             <sub>
+               <item>
+                  <name>Learning_to_Track</name>
+                  <link>learning_to_track_ex.cpp.html</link>
+               </item>
                <item>
                   <name>Structural_Support_Vector_Machines</name>
                   <link>svm_struct_ex.cpp.html</link>

docs/docs/ml.xml

@@ -1567,6 +1567,9 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
                 to track association.   
                </p>
          </description>
+         <examples>
+            <example>learning_to_track_ex.cpp.html</example>
+         </examples>
       </component>
       
    <!-- ************************************************************************* -->
@@ -2535,6 +2538,9 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
             as the <a href="#structural_track_association_trainer">structural_track_association_trainer</a>
             and returns the fraction of detections which were correctly associated to their tracks.
          </description>
+         <examples>
+            <example>learning_to_track_ex.cpp.html</example>
+         </examples>
       </component>
       
    <!-- ************************************************************************* -->
@@ -2631,6 +2637,9 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
             Tests a <a href="#track_association_function">track_association_function</a> on a set of data 
             and returns the fraction of detections which were correctly associated to their tracks.
          </description>
+         <examples>
+            <example>learning_to_track_ex.cpp.html</example>
+         </examples>
                                  
       </component>
       
@@ -3025,6 +3034,9 @@ Davis E. King. <a href="http://jmlr.csail.mit.edu/papers/volume10/king09a/king09
                 <a href="#track_association_function">track_association_function</a>
                 you can use to do detection to track association.  
          </description>
+         <examples>
+            <example>learning_to_track_ex.cpp.html</example>
+         </examples>
       </component>
       
    <!-- ************************************************************************* -->