Fix request #7116: Can't reply by mail to a tracker

The issue comes from the fact that we are using nested shebangs, wich
are supported only from kernel 2.6.27 (for details, see
https://lkml.org/lkml/2008/9/6/66).
- CentOS 5: Linux 2.6.18
- CentOS 6: Linux 2.6.32

Change-Id: I6438c715bedddf776b9d0bbe1922f391188029dd
request #7183: Some parameters are not properly sanitized

FRS, Forumml, and Gitphp (0.2.5) does not properly sanitize some
parameters in the request, it may lead to some injuries.

Change-Id: Iaf61cca58b277e45b0451357f1bdfda4cdb75aea
Fix request #7118: List values are not properly sanitized in changesets

If a value contains some html code in its label (like <b>) and it is
displayed in the follow-up comments as a change, then it is interpreted
by the browser and may pollute the rendering.

Change-Id: I9b14a32390d91914d6a151bf73fcbd6833d85654
Fix request #7192: SOAP artifacts method break if vertical tab is within artifact follow up

Change-Id: I9f99cc88f5d5ceeaaf2f9a25ece05b8f2ebf3b19
request #7151 LDAP connector doesn't fetch eduid

Change-Id: Ic9e35453c852f97d088cfc3ea6f2efb856956367
Tuleap 7.2-2

Change-Id: I6ea364fb041bd703546ee18c99d2be04c135f7e4