Merge pull request #2688 from LaurentGoderre/v3.0

Tabbed interface: Added space between the visible text and hidden text
Share widget: Moved menu role to ul and added aria-haspopup to triggering button (#2680)
Merge pull request #2713 from pjackson28/sharewidgetfixes

Share widget: Moved menu role to ul and added aria-haspopup to triggering button (#2680)
Resolved merge conflicts.
Resolve merge conflict.