Fixing MIME-type detection bug. Tuleap has a new dependency : shared-mime-info

Change-Id: Ieb35cfdcfe91f2e3164db195dbca08a3003bc5b6
Merge commit 'refs/changes/84/584/2' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fixing MIME-type detection bug. Tuleap has a new dependency : shared-mime-info

Change-Id: If9af723b0900894fe618144fce28a97f024cba0b
Tuleap 6.2.99.8

Change-Id: I4958092a73af5f8e1707d2e8bf67cdd65d064e18