Prepare release v0.7.1

* Changed version name in doc
* DOI in readme changed to general DOI of repository

README.md

@@ -3,7 +3,7 @@
 urbs is a [linear programming](https://en.wikipedia.org/wiki/Linear_programming) optimisation model for capacity expansion planning and unit commitment for distributed energy systems. Its name, latin for city, stems from its origin as a model for optimisation for urban energy systems. Since then, it has been adapted to multiple scales from neighbourhoods to continents.
 
 [![Documentation Status](https://readthedocs.org/projects/urbs/badge/?version=latest)](http://urbs.readthedocs.io/en/latest/?badge=latest)
-[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.242029.svg)](https://doi.org/10.5281/zenodo.242029)
+[![DOI](https://zenodo.org/badge/DOI/10.5281/zenodo.594200.svg)](https://doi.org/10.5281/zenodo.594200)
 [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/tum-ens/urbs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge)
 
 ## Features

doc/conf.py

@@ -15,8 +15,8 @@
 
 project = u'urbs'
 copyright = u'2014-2017, tum-ens'
-version = '0.7'
-release = '0.7'
+version = '0.7.1'
+release = '0.7.1'
 
 exclude_patterns = ['_build']
 #pygments_style = 'sphinx'