Merge pull request #5665 from LaurentGoderre/fix-grunt-minor

Fixed syntax highlighting issue with the Gruntfile
[FEEDS] - Added Flickr and Youtube support
Added width to the Facebook default image
This prevents these image from overpowering the content when feeds fail to load.
Also fixed indentation problems
Modified the ajax plugin to send the context with the event
Converted the feeds plugin to use the ajax-fetch plugin
Increased the feeds timeout and add back the callback options
Fixes weird behaviors with loading
Refactored the two feed process methods into one
Tabs: Only pause inited video players
Multimedia: Fixed not being to have more than one YouTube player per page
Optimizied the feeds code for speed and readability
Fixed the test to accomodate the new event driven model
Merge pull request #5649 from LaurentGoderre/pull-5646

[FEEDS] - Added Flickr and Youtube support
Tabs: Fixed display issue for browsers without support for CSS transitions
Merge pull request #5669 from pjackson28/fixtabs

Tabs: Fixed display issue for browsers without support for CSS transitions
Footnotes: Increased width+spacing of links in SCSS. Fixes gh-5448.
Merge pull request #5670 from EricDunsworth/v4.0-footnotes-scss-width-spacing

Footnotes: Increased width+spacing of links in SCSS
Fixes gh-5448.
WET theme: Changed site.* i18n refs to site-* to avoid compatibility issues.
Merge pull request #5672 from pjackson28/correcti18nrefs

WET theme: Changed site.* i18n refs to site-* to avoid compatibility issues.
Testing: Move to single harness page
Country Content: Update tests and demos

The country code is not appended as a class, but was had a test that had
that assumption. Updated the demos to clarify this.