adding PSD files for a bunch of sprites/images in case we want to edit them later
adding psd files for a bunch of images
Merge branch 'develop' of github.com:Harvard-ATG/HarmonyLab into develop
revert metronome sprite
added the ability to configure when a chord "bank" happens after the metronome ticks
set default interval to one quarter
fix tick/tock intervals in metronome and failing test case
Merge pull request #14 from Harvard-ATG/feature/metronome-bank-interval

Feature/metronome-bank-interval
fix the sustained notes behavior so notes are only cleared if they have actually been turned off. notes that are still down should remain.
revert banked notes to whole notes, but color them dark blue (unless highlighted) - per rowland
fixed issue with root highlight mode where multiple roots in a chord would result in no roots highlighted. now, all instances of the root are highlighted.
fix bug in findroots method
added more checking on the root type
make sure notes are in sorted order, this was implied, but want to make it explicit
Merge pull request #15 from Harvard-ATG/feature/fix-root-highlight

feature/fix-root-highlight
modify the stave note factory to use a different method to obtain the correct spelling for notes
make sure "no key" chord analysis is incorporated as well
Merge pull request #16 from Harvard-ATG/feature/snap-spelling

Feature/snap-spelling