update changelog
update changelog

trabus/ember-highcharts,trabus/ember-highcharts,ahmadsoe/ember-highcharts,CubiclDev/ember-highcharts,ahmadsoe/ember-highcharts,supersabillon/ember-highcharts,poetic/ember-highcharts-gauge,poteto/ember-highcharts,gregjopa/ember-highcharts,trabus/ember-highcharts,poteto/ember-highcharts,poteto/ember-highcharts,supersabillon/ember-highcharts,CubiclDev/ember-highcharts,poetic/ember-highcharts-gauge,poetic/ember-highcharts-gauge,ahmadsoe/ember-highcharts,supersabillon/ember-highcharts,gregjopa/ember-highcharts,CubiclDev/ember-highcharts,gregjopa/ember-highcharts