Revert "WIP - update oasis to remove the sandbox attribute"

This reverts commit baee53d6196541914447f77f8f202382fafcadbe.
wip
A card can specify `conductorURL` for its child cards
Watch modules' fixtures
wip tutorial works without height service
Revert "wip - kill HeightService"

This reverts commit 137edaa14d2374aaf0d3612f14e828a70e703a5b.
Remove border on iframes added by the latest version of Chrome
Disable autoupdate on the Height Service