Update travis-core ref to include enqueueing logging
Update travis-sidekiqs ref

to include these bits:
https://github.com/travis-ci/travis-sidekiqs/compare/1421a8fd46c9e8cd914f6f0c789584e133ea5f5b...b0e36465a852b0e85cf9d21599c808f910f59cd8
Update ref for travis-support

to include these bits:
https://github.com/travis-ci/travis-support/compare/352419335e9b78cf087dbd8523879498d6177db4...4fdd220ed7b06a12951e5d74a763c05a80eb0d20