Merge pull request #3876 from ajdapretnar/csv-file-import

[ENH] CSV File Import widget

Author: janezd

MANIFEST.in

@@ -9,7 +9,7 @@ recursive-include Orange/canvas/application/workflows *.ows
 
 recursive-include Orange/widgets *.png *.svg *.js *.css *.html
 recursive-include Orange/widgets/tests *.tab
-recursive-include Orange/widgets/data/tests *.tab
+recursive-include Orange/widgets/data/tests *.tab *.txt
 recursive-include Orange/widgets/tests/workflows *.ows
 
 recursive-include distribute *.svg *.desktop