replace use of scripts with entry_point

Author: bollwyvl

scripts/batchspawner-singleuser

@@ -29,7 +29,9 @@
 
 setup_args = dict(
     name="batchspawner",
-    scripts=glob(pjoin("scripts", "*")),
+    entry_points={
+        "console_scripts": ["batchspawner-singleuser=batchspawner.singleuser:main"],
+    },
     packages=["batchspawner"],
     version=version_ns["__version__"],
     description="""Batchspawner: A spawner for Jupyterhub to spawn notebooks using batch resource managers.""",