Merge pull request #566 from Kaggle/rm-dateutil-pin

Remove python-dateutil pin

Author: rosbo

Dockerfile

@@ -398,7 +398,6 @@ RUN pip install bcolz && \
     pip install ptyprocess && \
     pip install Pygments && \
     pip install pyparsing && \
-    pip install python-dateutil==2.6.0 && \
     pip install pytz && \
     pip install PyYAML && \
     pip install pyzmq && \