Added Tutorial Hvass-Labs#5

Author: Hvass-Labs

05_Ensemble_Learning.ipynb

@@ -10,6 +10,8 @@
 
 4. Save & Restore ([Notebook](https://github.com/Hvass-Labs/TensorFlow-Tutorials/blob/master/04_Save_Restore.ipynb))
 
+5. Ensemble Learning ([Notebook](https://github.com/Hvass-Labs/TensorFlow-Tutorials/blob/master/05_Ensemble_Learning.ipynb))
+
 ## Videos
 
 These tutorials are also available as [YouTube Videos](https://www.youtube.com/playlist?list=PL9Hr9sNUjfsmEu1ZniY0XpHSzl5uihcXZ).