cleanup repository tree. use entry_points in setuptools instead of symlink

setup.py

@@ -1,14 +1,13 @@
 import setuptools
-import bin.zfs_autobackup
+import zfs_autobackup
 import os
 
-
 with open("README.md", "r") as fh:
     long_description = fh.read()
 
 setuptools.setup(
     name="zfs_autobackup",
-    version=bin.zfs_autobackup.VERSION,
+    version=zfs_autobackup.VERSION,
     author="Edwin Eefting",
     author_email="edwin@datux.nl",
     description="ZFS autobackup is used to periodicly backup ZFS filesystems to other locations. It tries to be the most friendly to use and easy to debug ZFS backup tool.",
@@ -16,8 +15,14 @@ setuptools.setup(
     long_description_content_type="text/markdown",
 
     url="https://github.com/psy0rz/zfs_autobackup",
-    scripts=["bin/zfs-autobackup"],
+    entry_points={
+        'console_scripts':
+            [
+                'zfs-autobackup = zfs_autobackup:cli',
+            ]
+    },
     packages=setuptools.find_packages(),
+
     classifiers=[
         "Programming Language :: Python :: 2",
         "Programming Language :: Python :: 3",