fix(preprocessor): remove ts from binary extensions
docs(migration): clarify language in npm troubleshooting
fix(server): clear web server close timeout on clean close
Merge branch 'pr-1039' into presubmit-stable-pr-1039
chore: release v0.12.10
Merge branch 'pr-1038' into presubmit-stable-pr-1038
Merge branch 'pr-1033' into presubmit-stable-pr-1033
chore: release v0.12.11
chore(scripts): presubmit do not block merge

If other PR got merged in the meantime, we need to re-merge.
Without --no-edit, the command got blocked.
See: https://travis-ci.org/karma-runner/karma/jobs/23628113#L687