notes-20160806b: Inserting an existing webpage into a Canvas page as an <iframe>

Some initial text, followed by an iframesome text and more text.

The KTH main web page https://www.kth.se/ and as an <iframe.The KTH policy for sustainable development: https://intra.kth.se/en/styrning/miljo-hallbar-utveckling/kth-s-policy-for-hallbar-utveckling-1.553616