Added data event to base chart type, fixes #154
Added data event to base chart type, fixes #154

gionkunz/chartist-js,hansmaad/chartist-js,chartist-js/chartist,cr3ative/chartist-js,cr3ative/chartist-js,chartist-js/chartist,gionkunz/chartist-js,chartist-js/chartist,hansmaad/chartist-js