Make __main__ work in all scenarios with relative imports

[youtube-dl] / __main__.py

diff --git a/__main__.py b/__main__.py
new file mode 100755 (executable)
index 0000000..fc3cc8a
--- /dev/null
+++ b/__main__.py
@@ -0,0 +1,6 @@
+#!/usr/bin/env python
+
+import youtube_dl
+
+if __name__ == '__main__':
+    youtube_dl.main()