Merge branch 'master' of https://github.com/colinbdclark/flocking-papers
Merge branch 'master' of https://github.com/colinbdclark/flocking-papers
Merge branch 'master' of https://github.com/colinbdclark/flocking-papers
updated spreadsheet and diagram. added csound6 paper
Merge remote-tracking branch 'drart/master'

* drart/master:
  updated spreadsheet and diagram. added csound6 paper
More text improvements. Integration of new large-print bar chart.
Removal of png images.