Merge branch 'new_python_install' into 'master'

New python install script + metainfos

See merge request !1

grain-boundaries @ cd26180d

-Subproject commit cd26180d9e52d7267ff069a1725f0ec27ba80c82

kaggle-competetion @ 82ca1eb9

-Subproject commit 82ca1eb9ecbd91c2bd54aaafd40c50d131b44977

soap-atomic-charges @ 00913330

-Subproject commit 00913330c7ad7662838e29289c821afb5386bdd3

tutorials/test.ipynb

-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": 1,
-   "metadata": {
-    "ExecuteTime": {
-     "end_time": "2020-01-20T13:07:06.123939Z",
-     "start_time": "2020-01-20T13:07:06.120567Z"
-    }
-   },
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "test\n"
-     ]
-    }
-   ],
-   "source": [
-    "print('test')"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {},
-   "outputs": [],
-   "source": []
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3",
-   "language": "python",
-   "name": "python3"
-  },
-  "language_info": {
-   "codemirror_mode": {
-    "name": "ipython",
-    "version": 3
-   },
-   "file_extension": ".py",
-   "mimetype": "text/x-python",
-   "name": "python",
-   "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.7.3"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 2
-}