Fix top backlog content display

GROUP CONCAT is meant to be used on very large dataset
we should move the group_concat_max_len to upper limit

Change-Id: I85c9aada37e24169f06b40fe225f1f511e395e7f
Merge commit 'refs/changes/96/1296/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Fix top backlog content display

Change-Id: Id04bb228c3d7453c86770c96257df5534e23226b
This is Tuleap 6.5.99.50

Change-Id: I0093ae14017fb6d6b8061d3c7622775972b0a400
Agile Dashboard UI: no draggable items are now distinct from draggable ones

Change-Id: I36f384a575b8ffbc232f07f5596b97d22642fa4e
Merge commit 'refs/changes/95/1295/2' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  Agile Dashboard UI: no draggable items are now distinct from draggable ones

Change-Id: Icac1c8f6120e7393b08c2efb3c5a5db82b3261ba
This is Tuleap 6.5.99.51

Change-Id: I004f981262d64c9cda9ff81ff9c5c24d1c93b339