No longer beeping on file open, etc. key shortcuts.
Fixed feature exporting.
First attempt at new FeaturesAnnotator.
More menu and toolbar enabling code.
Features now notify when their time or frequency range changes.
Added featuresRange() and more detailed change events.
Simplified listener management.
Reworked feature display to improve scalability.
Panels now managing their own listeners.
Features panel now listening for changes to selected feature.
Annotation feature sets can now be edited.
Annotation feature sets can now be saved.
Video panels now render correctly when placed above the timeline.
Fixed error opening recording with empty feature set showing.
Detected time ranges are updating again.
Fixed error when redoing the addition of an annotator.
Now also restoring the current time on undo/redo.
Changed default low frequency for new features.
Arrow key navigation of video now sets the timeline selection correctly.
Now using feature set name for default reporter name.