Release v0.3.1 (October 27, 2018)
+++++++++++++++++++++++++++++++++

This release contains documentation and bug fixes for the new features 
introduced in 0.3.0.

Added features
--------------

* Update of interactiv plot (iplot)
* Update of Documentation
* Update of eTraGo functionalities
* Update of eDisGo functionalities
* Change and update of API file scenario_setting.json
* Improved cluster plot of ``ego.plot_edisgo_cluster()``
* Improved cost differentiation
* Add jupyter notebook eGo tutorials 


Fixes
-----
* Fix installation problems of the pypsa 0.11.0 fork (use pip 18.1)
* Fix parallel calculation of mv results 
