Added missing 'use strict'.
Added missing 'use strict'.

razor-x/jekyll-and-zurb,matthiasbeyer/wiki.template,serixscorpio/serixscorpio.github.io,rxfork/jekyll-and-zurb,matthiasbeyer/wiki.template,rxfork/jekyll-and-zurb,razor-x/jekyll-and-zurb,matthiasbeyer/wiki.template,razor-x/jekyll-and-zurb