Add readme.md

README.md

+This repository contains the exercises and slides in for of IPython notebooks
+for the Scipy Stack Workshop at GridKA 2017
+https://indico.scc.kit.edu/indico/event/285/session/2/contribution/7
+
+The IPython notebooks will be discussed in the following order:
+  * Introduction.ipynb
+  * Numpy.ipynb
+  * Matplotlib.ipynb
+  * SciPy.ipynb
+  * Pandas.ipynb
+  * SymPy.ipynb
+  * Optimization.ipynb (optional)
+  
+The slides can be generated out of the notebooks using:
+
+ipython3 nbconvert Introduction.ipynb --to slides  --post serve
+
+The necessary dataset for the pandas example is not in the repository,
+but can be found here:
+https://github.com/bpb27/political_twitter_archive
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