event.ports in a dedicated worker should be empty array
Update XMLHttpRequest/interfaces.html.
Remove the unused selection variable from dom/common.js.

It does not belong in the DOM test suite, and is not used there.

This also allows Servo to run tests that use it to completion.
Update to latest wptserve
Update to latest test/idlharness.js
Merge pull request #1374 from Ms2ger/dom-selection

Remove the unused selection variable from dom/common.js.
Ensure that the two tests in SourceBuffer-abort.html don't interfere.
Cleanup SourceBuffer-abort.html.
Merge pull request #1385 from Ms2ger/abort

Improve SourceBuffer-abort.html.
Merge pull request #1370 from Ms2ger/update-xhr

Update XMLHttpRequest/interfaces.html; r=annevk
Update resources.
Merge pull request #1347 from zcorpan/worker-ports-null

event.ports in a dedicated worker should be empty array
Broken link to wptrunner

Updating ttwf.org is also needed.