Fix SF #659228, 'realpath' function missing from os.path
Also added realpath = abspath for os2emx, similar to windows/mac
which also don't really implement realpath.
Backport candidate, I think?
diff --git a/Misc/NEWS b/Misc/NEWS
index 33b380c..00008e5 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -38,7 +38,10 @@
Library
-------
-TBD
+- realpath is now exported when doing from poxixpath import *.
+ It is also exported for ntpath, macpath, and os2emxpath.
+ See SF bug #659228.
+
Tools/Demos
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