Added installation functionality and renamed the package

setup.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+'''
+AstroAtmosphere: A python package to evaluate refractive indices, refraction
+                 and dispersion of the atmosphere. It was written for astronomic 
+                 applications, but it can probably be used for other applications
+                 as well.
+'''
+from setuptools import setup
+
+
+with open('README.md') as f:
+    __readme__ = f.read()
+
+with open('LICENSE.txt') as f:
+    __license__ = f.read()
+
+
+def setup_package():
+    # Rewrite the version file every time
+    # write_version_py()
+
+    setup(name='AstroAtmosphere',
+          version='0.1',
+          description='Collection of equations for refractive index, refraction and dispersion calculations of atmospheric air.',
+          long_description=__readme__,
+          long_description_content_type='text/markdown',
+          author='Joost van den Born',
+          author_email='born@astron.nl',
+          url='https://gitlab.astro-wise.org/micado/atmosphericmodel',
+          license='GNU General Public License v3',
+          package_dir={'AstroAtmosphere': 'AstroAtmosphere'},
+          package_data={'AstroAtmosphere': ['data/*.txt']},
+          include_package_data=True,
+          packages=['AstroAtmosphere'],
+          install_requires=['numpy',
+                            'scipy',
+                            'pyslalib>=1.0.4'
+                            ],
+          classifiers=['Programming Language :: Python :: 3',
+                       'Operating System :: OS Independent',
+                       'Intended Audience :: Science/Research',
+                       'Topic :: Scientific/Engineering :: Astronomy', ]
+          )
+
+
+if __name__ == '__main__':
+    setup_package()