Merge pull request #129 from wangkuiyi/recommender_use_english_figures

recommender_system/README.en.md uses English version o Figure 3.

recommender_system/README.en.md

@@ -70,7 +70,7 @@ Given the feature vectors of users and movies, we compute the relevance using co
 
 <p align="center">
 
-<img src="image/rec_regression_network.png" width="90%" ><br/>
+<img src="image/rec_regression_network_en.png" width="90%" ><br/>
 Figure 3. A hybrid recommendation model.
 </p>