request #6589 - Replace TinyMCE by CKEditor in trackerv3

Change-Id: I7235562744dcd1156cbbef40c7be913c586785dc
Merge commit 'refs/changes/23/2223/1' of ssh://gerrit.tuleap.net:29418/tuleap into stable

* ssh://gerrit.tuleap.net:29418/tuleap:
  request #6589 - Replace TinyMCE by CKEditor in trackerv3
This is Tuleap 6.11.99.49

Change-Id: I530a938135c78393762d3fcb3f618f45fbc78fe7