next and prev beat and stuntsheet work, but there are some bugs
get rid of logging in Dot
fix a bug in getAnimationState which cased the show to error after the first movement of every sheet
html updates correctly when buttons are pressed e.g. 25/26 beats
better initial state for html animation state indicators
listen for arrow key presses to nudge animation state
remove more logging from Dot
Merge pull request #50 from calband/noah__hook_up_animation_state_ui

Hook up html buttons to AnimationStateDelegate