INTEG-272 WARN Cannot find resource bundle for keys UIActivity.input.Write_A_Comment, ActivityRating.title.rank0

Fix description:
- Update the resource key for inputWriteAComment variable
- Update the condition to not generate the key ActivityRating.title.rank0
INTEG-272: [Question Activity] WARN Cannot find resource bundle for key ActivityRating.title.rank0

Fix description:
* Update the condition to not generate the key ActivityRating.title.rank0
INTEG-231: [Activity] Display all lines in summary field of web content/ product

Fix description:
  - Cut off the number of line in summary when display in Activity Stream
INTEG-270: Summary on content activity is pushed to new line after a character in bold/italic/underline

Fix description:
  - repair the function to get summary lines
INTEG-228: [PLF40-Migration] Incorrect Wiki Activity

Problem analysis:
* On Platform 3.5, each action of creation or update (not minor edit) will add an item on Activity Stream.
  The version information displays only in View change link of such activities.

Fix description:
* Update the condition to display View change link in case of page update.
* Extract the value of WIKI_PAGE_REVISION from the View change link.
Merge commit '1bd4a53a00bc307f276f4e0be1835d1a45784431' into HEAD