Merge pull request #3283 from kepstin/recording-cleanups

record-and-playback/core/lib/recordandplayback/edl.rb

record-and-playback/core/lib/recordandplayback/edl/audio.rb

record-and-playback/core/lib/recordandplayback/edl/video.rb

...d-playback/core/lib/recordandplayback/generators/audio.rb

.../core/lib/recordandplayback/generators/audio_processor.rb

...-playback/core/lib/recordandplayback/generators/events.rb

...ack/core/lib/recordandplayback/generators/presentation.rb

...d-playback/core/lib/recordandplayback/generators/video.rb

...ore/spec/recordandplayback/presentation_processor_spec.rb

...back/presentation/playback/presentation/0.9.0/playback.js

...and-playback/presentation/scripts/publish/presentation.rb