Mysql 5.5 mandate usage of Engine

Change-Id: I54a63f8498b0199806037d2f2b1c13ca68165712
Fix forumml installation documentation

Change-Id: I0ca5af7a19648b0c862efbc62f5bda8406f6299f
Tuleap 6.2.99.32

Change-Id: I6eb0b31ea24bb6203288f552879f02a098ee4a43
Merge commit 'refs/changes/48/648/1' of ssh://gerrit.tuleap.net:29418/tuleap into tuleap-stable-master

* ssh://gerrit.tuleap.net:29418/tuleap:
  Mysql 5.5 mandate usage of Engine

Change-Id: Iff52cca7054050a7ead7b01d6bba5376f18002c4
Tuleap 6.2.99.33

Change-Id: I340db6911787149735c47aba01e77eff079ce7e5