GH-882 Don't use role button on trigger.
GH-987 Popover: add tests for popovers without trigger.
GH-1018 Create the AutoSliding extension for Carousel. GH-953 Stop the automatic movement of the AutoSliding when the user interacts with the Carousel.
Merge remote-tracking branch 'chico.ml/v1.0' into v1.0
Merge pull request #1020 from llinares/v1.0

Created extensions and tests updated