request #7630: fix- legacy docman import script copies empty folders

Change-Id: Ib886326752f2796e46721af6e41f315668e576ed
Merge commit 'refs/changes/44/3244/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #7630: fix- legacy docman import script copies empty folders

Change-Id: Ie37fd90c0817d47f906f6b7f86f3d31761151037
This is Tuleap 7.7.99.11

Change-Id: I209a027ce7ed191843b0cf16649ad7a070df6ee3