re-add usefull file

9e771add · Yann Leboulanger · a344a941 · 9e771add
Commit 9e771add authored Dec 15, 2017 by Yann Leboulanger
--- a/MANIFEST.in
+++ b/MANIFEST.in
+include COPYING
+recursive-include po *.po
+recursive-include data *.1 *.in
+recursive-include test *.py
+recursive-exclude * *.pyc