OVDB-113: Updated Doxygen release notes.

Signed-off-by: Peter Cucka <peter.cucka@dreamworks.com>

Author: pcucka

documentation/doxygen/changes.html

@@ -103,6 +103,8 @@
 <li>Added CMake support for linking against Jemalloc and TBB&#160;malloc and enabled Jemalloc by default for Linux and non-Maya builds and TBB&#160;malloc for all other builds.</li>
 <li>Added a <code>USE_COLORED_OUTPUT</code> option to CMake to display compiler output in color.</li>
 <li>Added an <code>OPENVDB_CODE_COVERAGE</code> option to CMake.</li>
+<li>CMake now automatically detects and configures the CXX11 ABI requirement for Houdini builds.</li>
+<li>CMake now issues deprecation warnings for 2017 VFX Reference Platform version dependencies. In particular, C++11-only compilers are now deprecated; OpenVDB&#160;7.0 will require a C++14-compatible compiler.</li>
 </ul>
 </dd></dl>
 <dl class="section user"><dt></dt><dd>Bug fixes:<ul>