Revert changes in setup.py, only add Dockerfile

Author: sgreben

Dockerfile

@@ -1,5 +1,7 @@
 FROM python:2.7.15-alpine3.7
+RUN pip install bs4
 COPY . /app
-RUN pip install /app[redditdl.py] && redditdl.py -h
+RUN pip install /app
+RUN redditdl.py -h
 WORKDIR /data
 ENTRYPOINT [ "redditdl.py" ]

setup.py

@@ -23,7 +23,7 @@
     packages=['redditdownload'],
     entry_points={
         'console_scripts': [
-            'redditdl.py = redditdownload.redditdownload:main [redditdl]',
+            'redditdl.py = redditdownload.redditdownload:main',
         ],
     },
     install_requires=[
@@ -32,9 +32,6 @@
         # any non-core libraries.
     ],
     extras_require={
-        'redditdl.py': [
-            'bs4'
-        ],
         'recommended': [
             'bs4', 'lxml',