Fix request #6248 :CLI documentation for docman getFile --version param

Change-Id: Ib06f2a713d060a569b3b8bff839fb5414501c62e
Merge commit 'refs/changes/54/1954/3' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix request #6248 :CLI documentation for docman getFile --version param

Change-Id: I18f860caddca8bc45ec4c99d0b2a8d744aa7a17e
This is Tuleap 6.10.99.31

Change-Id: I0e2b70e264e5bc2ec05d4e64969a71824ba92edb