feat: Change entrypoint name

This will update the alternative shell script as well. It will now just
pass the modules directory to python interpreter to execute the __main__
module.

Signed-off-by: Sven Sager <akira@narux.de>

setup.py

@@ -25,7 +25,7 @@ setup(
     ],
     entry_points={
         'gui_scripts': [
-            'revpicommander-gui = revpicommander.revpicommander:main',
+            'revpicommander = revpicommander.revpicommander:main',
         ],
     },