Merge pull request #66 from tdpetrou/master

make extra_arguments configurable

Author: MSeal

nbclient/client.py

@@ -133,7 +133,7 @@ class NotebookClient(LoggingConfigurable):
         ),
     ).tag(config=True)
 
-    extra_arguments = List(Unicode())
+    extra_arguments = List(Unicode()).tag(config=True)
 
     kernel_name = Unicode(
         '',