Added shortcut to options.height if it's a pixel value
Added shortcut to options.height if it's a pixel value

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