Request #7645 - Proftpd project folders are created in mixed case

Change-Id: I82e8b0d36c6448f46bdbc15006023b2f78fce054
Merge commit 'refs/changes/89/3289/3' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Request #7645 - Proftpd project folders are created in mixed case

Change-Id: I9a0e712e432ef5804d0c5ff1840458c7466da9d8
This is Tuleap 7.7.99.33

Change-Id: I4f5f724602953079e49c2328c94c7ba1fd002bfa