Merge pull request #1919 from pkienzle/master

allow apidoc using 'python -m sphinx.apidoc'

sphinx/apidoc.py

@@ -373,3 +373,7 @@ Note: By default this script will not overwrite already created files.""")
             qs.generate(d, silent=True, overwrite=opts.force)
     elif not opts.notoc:
         create_modules_toc_file(modules, opts)
+
+# So program can be started with "python -m sphinx.apidoc ..."
+if __name__ == "__main__":
+    main()