Merge branch 'master' of github.com:matthisk/django-chart

* 'master' of github.com:matthisk/django-chart:
  Move the sizing to method recommended by chart.js
  maintain backwards compatibility for Django < 1.10
  Fix deprecation notice

Release 0.4.1 with classifier Production/Stable

Updated docs

preparing new version

Release 0.3.1

Version 0.3.0 released

Release 0.2.0