added new svg google logos, fixed an offset of the menu's arrow when on Home, updated guides section, converted featured spotlight to plugin, fixed padding/margin issues on spotlight-header, changed pages class name, fixed an issue with images on firefox, did some overall QA
fixed path issue on google logo
added a new type of placeholder for the featured spotlight, changed padding on footer's primary list on mobile
added horizontal padding to guides-list ol list
Removing home from mobile nav when on home
Grunt build
Merged develop into master
Updated filed from grunt build
Merge branch 'master' of github.com:google/WebFundamentals