Application password: Fetch site username when authenticated with WPCom#16037

itsmeichigo merged 4 commits intotrunkwoocommerce/woocommerce-ios:trunkfrom

task/woomob-1123-fetch-wporg-usernamewoocommerce/woocommerce-ios:task/woomob-1123-fetch-wporg-usernameCopy head branch name to clipboard