the datatables options example
specify the account 'demo'
Revert "use MIT as required by shinygallery.com"

This reverts commit 8adeecac56557aafd9dc23e8097b4b29f2cb33e8.

Due to https://github.com/rstudio/shiny/commit/8e5cbde08c342043d26e57f4f713bf77c47e0f93
sync with the shiny repo