Add machine learning courses in many universities

There are many resources (videos, lecture notes, problem sets ...) provided by many courses in Universities like Stanford, Cambridge or Oxford that can be useful to explore

Author: tuanphuc

README.md

@@ -302,6 +302,11 @@ Each day I take one subject from the list below, read it cover to cover, take no
 - [DigitalMind's Artificial Intelligence resources](http://blog.digitalmind.io/post/artificial-intelligence-resources)
 - [Awesome Machine Learning](https://github.com/josephmisiti/awesome-machine-learning)
 - [CreativeAi's Machine Learning](http://www.creativeai.net/?cat%5B0%5D=machine-learning)
+- [ ] Machine Learning courses in Universities
+    - [Stanford](http://ai.stanford.edu/courses/)
+    - [Machine Learning Summer Schools](http://mlss.cc/)
+    - [Oxford](https://www.cs.ox.ac.uk/people/nando.defreitas/machinelearning/)
+    - [Cambridge](http://mlg.eng.cam.ac.uk/)
 
 ## Becoming an Open Source Contributor
 - [ ] [tensorflow/magenta: Magenta: Music and Art Generation with Machine Intelligence](https://github.com/tensorflow/magenta)