updated release notes

docs/docs/release_notes.xml

@@ -11,6 +11,31 @@
 <!-- **************************************************************************************  -->
 
 <current>
+New Features and Improvements:
+   - Added weighted labels to loss_binary_log layer
+   - Added padding argument support for Python compute_face_descriptor methods
+   - Added pointwise_divide function
+   - Added U-net style skip connections to the semantic-segmentation example
+   - Exposed dlib::chinese_whispers() directly in Python API.
+   - Added python api that generates desciptor(s) from the aligned image(s) 
+   - Added support for CUDA 10.1
+   - Dlib's python install process always automatically enables all supported features.  
+     So --yes &lt;option&gt; was removed as it would do nothing.
+   - Added --box-images to imglab
+
+Non-Backwards Compatible Changes:
+
+Bug fixes:
+   - Fixed build errors on some systems or buggy compilers.
+   - Workaround for bug in cudaStreamSynchronize() causing hanging in some rare cases.
+   - Fixed broken CUDA memcpy overload.
+   - Fixed CMake not finding cusolver in CUDA 10.1. 
+
+</current>
+
+<!-- **************************************************************************************  -->
+
+<old name="19.15" date="Sep 29, 2018">
 New Features and Improvements:
    - Allow 64bit seeds for murmur hash.
    - Some code paths are a little faster.
@@ -25,7 +50,7 @@ Bug fixes:
    - Fixed is_image_type template always reporting false. This also caused
      have_same_dimensions() to be uncallable for images, so that's fixed now too.
 
-</current>
+</old>
 
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