story #6853 be able to check user in checkbox by clicking on the name

Change-Id: I831c6c3248c19b6e0ed05ea5d395d8875356b67b
Merge commit 'refs/changes/42/2442/2' of http://gerrit.tuleap.net/tuleap into HEAD

* http://gerrit.tuleap.net/tuleap:
  story #6853 be able to check user in checkbox by clicking on the name

Change-Id: Ib8769b7cadd67136d395eb7b152195d15495720a
This is Tuleap 7.0.99.22

Change-Id: I98acf7936c717d418d044376d39e89b022a9e005