INTEG-289: [Security] Detail of question in FORUM has XSS vulnerability

Fix description:
* Decode also the opening and closing marks of HTML tags.
INTEG-299: [integ-ecms] HTML encoding of comments from Content Explorer

Fix description:
  - Remove HTML tag of comments when showing to activity stream
Merge commit '60471796f2dee3e2229b673c395acb89af2983e3' into HEAD