Reset to master

Change-Id: Ib27b7a868e868117c3ceb9b9f01f98243d78a364
WIP - UI improvements

* Percentage calculation now excludes inappropriate/hidden/oversighted
* Amount of feedback with and without comments is displayed
* Improved the feedback page header information: more compact; only displays
  amount of posts and percentage of positive votes
* Removed the "Showing:" prefix in front of the list of filters
* A couple of new SVG icons (like the negative/positive/neutral smiley faces)
* A couple of CSS improvements

Change-Id: I977c2a4acbdc2135ed548da1c0c2005b99aa4871
(bug 44827) Show amount of remaining characters for moderation-note

Feedback form had "countdown" function already. Pulled it out of there into
aftUtils and started using it for adding notes in the Special page (after
moderating feedback) too, to show that the field will not accept more than 250
characters.

Bug: 44827
Change-Id: I037efdb4ebf1bbb277cb675ff1d02ca05c9da2ea
Makes sure caches are bust when fetching feedback/activity

IE9 doesn't seem to fire the requests anew; adding an explicit cache: false
(which will append a unique timestamp to the request) will make sure IE9 really
does request fresh data (instead of serving the same old data that likely has
changed already when heavily moderating feedback.

Bug: 46797
Change-Id: I0bffc61e6203c91682d70e5c1dae5134af044ca5
Post without comment

Change-Id: I6ece35a9f675acdb38bee48d177ff6ad1cdc4eec

Conflicts:
	ArticleFeedbackv5.i18n.php
Bug 42057 - Feedback link on article pages

* Add API endpoint to fetch amount of entries for a given page/filter
* Code for above functionality was in use on special page already; moved that code to utils so both can access this and avoid code duplication
* add Javascript ajax call to fetch the amount of feedback and display a link on article page
* Update talk-page link to also only display if there is feedback

PS5: jqueryMsg has plural support
PS7: rebase
PS8: bsitu's feedback
PS9: bsitu's feedback

Change-Id: I03c815d8257aaa590ef639387c360d8356cd0d96

Conflicts:
	modules/jquery.articleFeedbackv5/jquery.articleFeedbackv5.utils.js