software/wendelin: Add chainer.

software/wendelin/software-kerastensorflow.cfg

 [buildout]
 extends =
   ../../component/keras/buildout.cfg
+  ../../component/chainer/buildout.cfg
   software.cfg
 parts +=
   keras-egg
+  chainer-egg
 
 [eggs]
 eggs +=
@@ -14,6 +16,9 @@ eggs +=
   ${python-PyYAML:egg}
   six
   keras
+  filelock
+  nose
+  ${chainer:egg}
 
 [cuda]
 # If you use cuda, please adjust paramters for your environment