[POLISH] Remove old deprecated bar-chart report
Merge branch 'develop' of github.com:Learnosity/learnosity-demos into develop
Removed newer PHP syntax, should be 5.3 compatible
Added new question editor demo

Used to test a JSON packet you might have when customising the
editor. Things like:
 - Removing/re-sorting accordions
 - Hiding attributes
 - Passing in widget_json
Merge from lndash