updated HighchartsJS lib
updated HighchartsJS lib
added workaround to remove aria live zone from table
- added accessible toolbar for dispersion
- improved accessibility
- added workaround to remove aria live zone from table
- added toolbar for word count graph
- added workaround to remove aria live zone from table
- added toolbar for bullet graph
- added workaround to remove aria live zone from table
added a very crude "self-report" tool [to do]