Add 0.2.0 release notes.

Thanks @hbredin and @melgor!

Author: bamos

docs/release-notes.md

@@ -1,8 +1,32 @@
 # Release Notes
 
+## 0.2.0 (2016/01/19)
++ See [this blog post](http://bamos.github.io/2016/01/19/openface-0.2.0/)
+  for an overview,
+  [the GitHub Milestone](https://github.com/cmusatyalab/openface/milestones/v0.2.0)
+  for a high-level issue summary.
++ Training improvements from resulting in an accuracy increase from **76.1% to 92.9%**,
+  which are from Bartosz Ludwiczuk's ideas and implementations in
+  [this mailing list thread](https://groups.google.com/forum/#!topic/cmu-openface/dcPh883T1rk).
+  These improvements also reduce the training time from a week to a day.
++ Nearly halved execution time thanks to [Hervé Bredin's](http://herve.niderb.fr/)
+  suggestions and sample code for image alignment in
+  [Issue 50](https://github.com/cmusatyalab/openface/issues/50).
++ Hosted
+  [Python API Documentation](http://openface-api.readthedocs.org/en/latest/index.html).
++ [Docker automated build](https://hub.docker.com/r/bamos/openface) online.
++ Initial automatic tests written in [tests](https://github.com/cmusatyalab/openface/tree/0.2.0/tests).
++ [Tests successfully passing](https://travis-ci.org/cmusatyalab/openface/branches)
+  in the Docker automated build in Travis.
++ Add `util/profile-pipeline.py`
+  [util/profile-pipeline.py](https://github.com/cmusatyalab/openface/tree/0.2.0/util/profile-pipeline.py)
+  to profile the overall execution time on a single image.
+
 ## 0.1.1 (2015/10/15)
 + Fix debug mode of NaiveDlib alignment.
-+ Add util/prune-dataset.py for dataset processing.
++ Add
+  [util/prune-dataset.py](https://github.com/cmusatyalab/openface/tree/0.1.1/util/prune-dataset.py)
+  for dataset processing.
 + Correct Docker dependencies.
 
 ## 0.1.0 (2015/10/13)