Comment 4 for bug 1536895

Reviewed: https://reviews.mahara.org/6423
Committed: https://git.mahara.org/mahara/mahara/commit/c1a9c856b56a273e006a5e1dbdd1373e7e179033
Submitter: Aaron Wells (<email address hidden>)
Branch: 16.04_STABLE

commit c1a9c856b56a273e006a5e1dbdd1373e7e179033
Author: Robert Lyon <email address hidden>
Date: Fri Jan 22 17:36:20 2016 +1300

Bug 1536895: Upgrade CSSTidy to 1.5.5

behatnotneeded

Change-Id: Iedc0bec19d31501104b9b63adf786147cf1c6321
Signed-off-by: Robert Lyon <email address hidden>
(cherry picked from commit 8d6a0458149e63ddba0ea3e077d938de593372ad)