UI-2728: CLONE - Activity - Incorrect UI and behavior of Answer
FORUM-533 | [Answer] Should display Answer form when click on Answer link in activity stream
PLF-4820: quick search continues updating results while I have finished input
PLF-4820: quick search continues updating results while I have finished input, fix error that hits enterkey with no results
UI-2728 | CLONE - Activity - Incorrect UI and behavior of Answer
FORUM-530 | HTML tags in comments of forums activities
DOC-2900 PLF API: Make consistence in using Verb, and proof-reading
Merge branch 'master' into feature/upgrade-xwiki-5.0.x