Merge pull request #4911 from EricDunsworth/v3.0-broken-link-fixes

Documentation: Removed openplus.ca row from table in accolades page.
Calendar of Events: Removed role='application'
Merge pull request #4923 from pjackson28/removeapplicationrolecalendar

Calendar of Events: Removed role='application'
GCWU theme: Removed box shadow from site menu sub-menu
Merge pull request #4926 from pjackson28/removeboxshadowmenuv30

GCWU theme: Removed box shadow from site menu sub-menu
GCWU and Intranet themes: Changed lines separating menu bar links to grey (fixes #4919)
Merge pull request #4930 from pjackson28/fixmenulinesbetween

GCWU and Intranet themes: Changed lines separating menu bar links to grey (fixes #4919)
GCWU and Intranet themes: Fixed menu link separator for links in active state
Merge pull request #4933 from pjackson28/fixmenulineseparator

GCWU and Intranet themes: Fixed menu link separator for links in active state
Documentation: Fixed examples link in French implementation page.