carbon/pages
Sean d4d0ef9949 update gist handling ()
* update gist handling

* address comments

* clean up a bit

* getRouteState(router)

* move try/catch into getGist

* updateQueryString -> updateRouteState

* clean up more

* add cypress tests

* delete comments

* remove wait
..
_document.js Strict mode preparations
about.js Caution about the use of images in a post ()
embed.js update gist handling ()
index.js update gist handling ()