Fix worker onerror tests to catch window.onerror; expect 5 arguments; expect addEventListener to work; add a new test involving two documents.
Make scary-short timeouts a bit longer
Whitespace tweaks
Merge pull request #897 from zcorpan/handle-window-onerror-for-workers

Fix worker onerror tests to catch window.onerror; expect 5 arguments; ex...
update submodules