Provide systemd files

+ move example cfg from etc/ to cfg/

Change-Id: I437b3e2aaca55539ff110f5a46e411b34e0a0b9c
Reviewed-on: https://forge.frm2.tum.de/review/c/sine2020/secop/playground/+/21319
Tested-by: JenkinsCodeReview <bjoern_pedersen@frm2.tum.de>
Reviewed-by: Enrico Faulhaber <enrico.faulhaber@frm2.tum.de>

setup.py

@@ -43,12 +43,19 @@ setup(
     author='Enrico Faulhaber',
     author_email='enrico.faulhaber@frm2.tum.de',
     description='SECoP Playground core system',
-    packages=find_packages(),
+    packages=find_packages(exclude=['test']),
     package_data={'secop': ['RELEASE-VERSION'] + uis},
-    data_files=[('/etc/init.d', ['etc/secop-server'])],
+    data_files=[
+        ('/etc/init.d', ['etc/secop-server']),
+        ('/lib/systemd/system-generators', ['etc/secop-generator']),
+        ('/lib/systemd/system', ['etc/secop@.service',
+                                 'etc/secop.target']),
+        ('/var/log/secop', []),
+        ('/var/run/secop', []),
+    ],
     scripts=scripts,
     classifiers=[
-        'Development Status :: 6 - Mature',
+        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'Intended Audience :: Science/Research',
         'Natural Language :: English',
@@ -57,6 +64,8 @@ setup(
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
         'Programming Language :: Python :: 2.7',
+        'Programming Language :: Python :: 3',
+        'Programming Language :: Python :: 3.6',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Human Machine Interfaces',
         'Topic :: Scientific/Engineering :: Physics',