[SPARK-6015] fix links to source code in Python API docs

Davies Liu · rxin · commit 015895ab508e · 2015-02-26T10:45:29.000-08:00
Author: Davies Liu <davies@databricks.com> Closes #4772 from davies/source_link and squashes the following commits: 389f0c6 [Davies Liu] fix link to source code in Pyton API docs
diff --git a/docs/_config.yml b/docs/_config.yml
@@ -10,6 +10,7 @@ kramdown:
 
 include:
   - _static
+  - _modules
 
 # These allow the documentation to be updated with newer releases
 # of Spark, Scala, and Mesos.
