Making travis-ci less spammy.
Merge pull request #328 from mithro/travis-fix

Making travis-ci less spammy.
Fix MediaReference after switch to new Timing interface

This was broken by 5ee65b94527a1c0808d89f2ba229d88303310332 and following commits.

Also fix the test after the switch to the new testing framework.
Fix MediaReference to stop the media when detached from its Player