Fixed the markup for the share widget's overlay.
Merge pull request #3686 from thomasgohard/fix-share-widget-overlay

Fixed the markup for the share widget's overlay
Fixed #3688 by only returning false for known controls
Tabs: Switched tabpanel section elements to duv elements to resolve validation and HTML5 outline issues
Merge pull request #3690 from pjackson28/tabsswitchsectionstodivs

Tabs: Switched tabpanel section elements to duv elements to resolve validation and HTML5 outline issues
Merge pull request #3689 from LaurentGoderre/fix-3688

Fixed #3688 by only returning false for known controls
Removed wb-inv from fourth column on working examples page
Merge pull request #3691 from pjackson28/removewbinvworkexpamples

Removed wb-inv from fourth column on working examples page
Use different video for the player to avoid the chrome bug

(See #527)
Fixed some issues with the existing caption files
WET theme: Added basic print CSS
Merge pull request #3693 from LaurentGoderre/fix-multimedia-player

More multimedia player fixes
Merge pull request #3696 from pjackson28/themeprintcss

WET theme: Added basic print CSS
WET theme: Cleaned up the indenting in a couple of the theme SCSS files
Merge pull request #3698 from pjackson28/cleanupthemescssindenting

WET theme: Cleaned up the indenting in a couple of the theme SCSS files
Table: Fixed table header sort icon display
Merge pull request #3699 from pjackson28/fixedtableheader

Table: Fixed table header sort icon display