Merge branch 'master' into patch-1

Author: holly1238

beginner_source/README.txt

@@ -23,4 +23,4 @@ Beginner Tutorials
 
 6. transformer_translation.py
 	Language Translation with Transformers
-	https://pytorch.org/tutorials/beginner/transformer_translation.html
+	https://pytorch.org/tutorials/beginner/transformer_tutorial.html

intermediate_source/README.txt

@@ -31,4 +31,4 @@ Intermediate tutorials
 
 8. flask_rest_api_tutorial.py
 	Deploying PyTorch and Building a REST API using Flask
-	https://pytorch.org/tutorials/beginner/flask_rest_api_tutorial.html
+	https://pytorch.org/tutorials/intermediate/flask_rest_api_tutorial.html