Update CHANGES.html and release notes to reflect ns-3-click defines a…

…nd random number API additions

CHANGES.html

@@ -55,7 +55,12 @@ <h1>Changes from ns-3.16 to ns-3.17</h1>
 
 <h2>New API:</h2>
 <ul>
-<li></li>
+  <li>In Ipv4ClickRouting, the following APIs were added:
+    <ul>
+      <li>Ipv4ClickRouting::SetDefines(), accessible through ClickInternetStackHelper::SetDefines(), for the user to set Click defines from the ns-3 simulation file.</li>
+      <li>SIMCLICK_GET_RANDOM_INT click-to-simulator command for ns-3 to drive Click's random number generation.</li>
+    </ul>
+  </li>
 </ul>
 
 <h2>Changes to existing API:</h2>

RELEASE_NOTES

@@ -52,6 +52,9 @@ Supported platforms
 
 New user-visible features
 -------------------------
+- ns-3-click: it's now possible to (i) have Click pull random numbers from
+  ns-3 and (ii) have ns-3 set "defines" in Click via the simulation file 
+  (see src/click/examples/nsclick-defines.cc).
 - Support several new LTE MAC schedulers developed in GSoC 2012 project. 
   Those schedulers include FD-MT, TD-MT, TTA, FD-BET, TD-BET, FD-TBFQ,
   TD-TBFQ, PSS. Here, FD and TD mean frequency domain and time domain