Remove hardcoding for branchless work
Let OSC module handle OSC logging
Basic media playback functionality
Allow skipping in debug mode in demographics and musical background slides
Use $scope.$apply when blacking out
Remove event listeners on scope destruction in StartController
At least send null for session ID from StartController
At least send null for session ID from SoundTestController
Don't stop sound test on button click

Sound test message is implicitly sent when scope is destroyed. Thus, there is no need to do so explicitly when the Continue button is clicked.
Remove extraneous OSC message listener in SoundTestController
Remove extraneous code in SignalTestController
Remove extraneous logging in MediaPlaybackController
Handle OSC listeners properly in SignalTestController
Wire demographics form to correct TrialData properties
Remove unnecessary view wiring in MusicalBackgroundController
Use correct controller in musical background view
Remove extraneous logging from MediaPlayback controller
Save slider responses dynamically
Add original images
Add other questions to canned questionnaire data