Be consistent with forgeupgrade script: b201305161743_remove_unique_from_svn_checkins

Change-Id: I56cf18e2a6919120aefd34965b4f1144f7432df3
Merge commit 'refs/changes/53/1853/1' of http://gerrit.tuleap.net/tuleap into HEAD

* http://gerrit.tuleap.net/tuleap:
  Be consistent with forgeupgrade script: b201305161743_remove_unique_from_svn_checkins

Change-Id: I0bdb64789d2bef5092c3b344d791966baafeca26
This is Tuleap 6.10.99.19

Change-Id: I388559576cb6f7bc9fb7a3507c734b07661440a4