Revert "Remove frame-ancestors from Content Security Policies meta tag"
Revert "Remove frame-ancestors from Content Security Policies meta tag"

This reverts commit cd406bed148b7ca80c72f6c75894935f72febbb5.

oliworx/oliworx.github.com,oliworx/oliworx.github.com,oliworx/oliworx.github.com,oliworx/oliworx.github.com