Documentation: Added documentation references for the variants
Merge pull request #5929 from pjackson28/updatevariantrefs

Documentation: Added documentation references for the variants
WET theme: Added missing 404 error pages
Merge pull request #5933 from pjackson28/addmissing404

WET theme: Added missing 404 error pages
Web accessibility assessment methodology: Translated documentation to French
Merge pull request #5931 from gobyrne/servertrans

Web accessibility assessment methodology: Translated documentation to French
Fade transition: Reset transition property before applying animation

Related to #5892
Merge pull request #5942 from pjackson28/addtransitionreset

Fade transition: Reset transition property before applying animation