Merge remote-tracking branch 'rtibbles/IDOC_coach_reports' into IDOC_coach_reports
Merge branch 'IDOC_coach_reports' of git://github.com/jamalex/ka-lite into IDOC_coach_reports
add nice names.  Make a dictionary of stats, so we can tell the client what the datatype of each stat is.
First pass at separating out struggling, attempted and not attempted in tooltip.
Merge branch 'IDOC_coach_reports' of git://github.com/jamalex/ka-lite into IDOC_coach_reports
Merge branch 'IDOC_coach_reports' of git://github.com/bcipolli/ka-lite into IDOC_coach_reports

Conflicts:
	kalite/coachreports/api_views.py
	kalite/coachreports/urls.py
	kalite/templates/coachreports/base_google_visualization.html