./setup.py release: make upload step manual so CI can run first

There is lots of CI tests for the Debian package, so it is good to first
run those Debian CI tests before uploading an fdroidserver release.

setup.cfg

@@ -1,8 +1,8 @@
 
 # uploading here requires Python 3.5.3+ or setuptools 27+,
-# use instead: twine upload dist/fdroidserver*.tar.gz*
+# use instead: twine upload --sign dist/fdroidserver*.tar.gz
 [aliases]
-release = versioncheck compile_catalog register sdist upload --sign
+release = versioncheck compile_catalog sdist
 
 # All this below is for Babel config.  Ideally we would only use
 # Babel, but it is still missing some key features that gettext gives

setup.py

@@ -25,7 +25,7 @@ class VersionCheckCommand(Command):
             print('ERROR: Release version mismatch! setup.py (%s) does not match git (%s)'
                   % (version, version_git))
             sys.exit(1)
-        print('Upload using: twine upload dist/fdroidserver*.tar.gz*')
+        print('Upload using: twine upload --sign dist/fdroidserver-%s.tar.gz' % version)
 
 
 def get_data_files():