Add LuaAV to external projects list.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@143431 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ReleaseNotes.html b/docs/ReleaseNotes.html
index ea123d2..8c94c7d 100644
--- a/docs/ReleaseNotes.html
+++ b/docs/ReleaseNotes.html
@@ -418,6 +418,19 @@
 </div>
 
 <!--=========================================================================-->
+<h3>LuaAV</h3>
+
+<div>
+
+<p><a href="http://lua-av.mat.ucsb.edu/blog/">LuaAV</a> is a real-time
+   audiovisual scripting environment based around the Lua language and a
+   collection of libraries for sound, graphics, and other media protocols. LuaAV
+   uses LLVM and Clang to JIT compile efficient user-defined audio synthesis
+   routines specified in a declarative syntax.</p>
+
+</div>
+
+<!--=========================================================================-->
 <h3>Mono</h3>
 
 <div>