Update docs/examples/fluid.html

Updated copyright to 2013
Update docs/examples/carousel.html

Updated copyright to 2013
Update docs/examples/hero.html

Updated copyright to 2013
Update docs/examples/marketing-alternate.html

Updated copyright to 2013
Update docs/examples/marketing-narrow.html

Updated copyright to 2013
Merge branch 'wilfra-patch-2' into 2.3.0-wip