Remove files that were added for testing.
New Utils method for comparing chords.
Bug fix in ChordParserListener.
Restore Steven's functionality in MockAdapterParser.
Temporary changes in PianoAdapterParser.
Ear training changes to use ChordParserListener.
New files for processing chords.
Remove unused resources.
Add Middle C and Chord Training.
Merge pull request #21 from emtwo/parser-listeners

Parser listeners