entry for data_files cause unwanted duplicate entry @ install
diff -u pymetar-0.19.orig/setup.py pymetar-0.19/setup.py
--- setup.py	2012-01-25 22:01:19.000000000 +0800
+++ setup.py	2015-01-04 10:57:14.698948559 +0800
@@ -26,7 +26,5 @@
       packages= [ "" ],
       py_modules=["pymetar"],
       scripts = [ "bin/pymetar" ], 
-      data_files = [("share/doc/pymetar-%s"%pymetar.__version__,
-       ['README', 'COPYING', 'THANKS', 'librarydoc.txt']),
-       ("share/man/man1", ['pymetar.1'])]
+      data_files = [("share/man/man1", ['pymetar.1'])]
       )