Update Gruntfile.js
Update Gruntfile.js

Added WOFF2 files for open-sans-fontface
Added woff2 to createFontHtaccess expiresdefault
simkli/shopware,k10r/shopware,simkli/shopware,k10r/shopware,k10r/shopware,k10r/shopware,simkli/shopware,k10r/shopware,simkli/shopware,simkli/shopware