Typo
Remove array init defaults because they were causing problems with Ember Data materialization
Remove sourceNode attribute because it's implied by the owner
Typo
Add string color informatino to Instrument model
Whitespace
Remove string color configuration from this FretboardView
Add Section model and some fixtures for the Amaj scale for testing
Add option to disable rendering the tablature cursor
Simplify access chain
Use string colors from Instrument model instead of FretboardView
Add sections route to individual exercises.
Add graph preview to exercise template
Remove octave information from instrument tuning partial
Link in Section model
Add Graph reference to Exercise model
Add ExerciseGraph fixtures

The interface for transitions is still being worked out.
Add view for abridged section tablature for graph rendering
Add TargetFactory and method to load a Section model to produce game targets.
Remove some graph stuff from ExercisePlayView