Fix issues in naming and few other things

setup.py

@@ -8,8 +8,8 @@ try:
     version = ucloud.version.VERSION
 except:
     import subprocess
-    c = subprocess.run(["git", "describe"], capture_output=True)
-    version = c.stdout.decode("utf-8")
+    c = subprocess.check_output(['git', 'describe'])
+    version = c.decode("utf-8").strip()
 
 
 setup(name='ucloud',
@@ -28,8 +28,7 @@ setup(name='ucloud',
       packages=find_packages(),
       install_requires=[
           'requests',
-          'python-decouple',
-          'flask',
+          'Flask',
           'flask-restful',
           'bitmath',
           'pyotp',
@@ -37,8 +36,8 @@ setup(name='ucloud',
           'sphinx',
           'pynetbox',
           'sphinx-rtd-theme',
-          'etcd3_wrapper @ https://code.ungleich.ch/ungleich-public/etcd3_wrapper/repository/master/archive.tar.gz#egg=etcd3_wrapper',
           'etcd3 @ https://github.com/kragniz/python-etcd3/tarball/master#egg=etcd3',
       ],
       scripts=['scripts/ucloud'],
+      data_files=[('/etc/ucloud/', ['conf/ucloud.conf'])],
       zip_safe=False)