Merge pull request #978 from caridy/composite-errors

Fixes issue #865. Fixes issue #25: `mojito-composite-addon` error propagation by flagging a child with `propagateFailure` flag.
use different selenium as a workaround before the blocker is remoted
Merge pull request #996 from lzhan/testnum

use different selenium as a workaround before the blocker is remoted
Fixing a link.
disable selenium tests for travis
Merge pull request #998 from isao/tests

disable selenium tests for travis
fixing issue with defer/proxy in composite addon introduced as part of the component refactor. adding a bunch of unit tests.