Merge pull request #80 from seogi1004/develop

fixed y1 bug
#82 Step line start point changed
#82 Step line start point changed
 - more freely
#84 Title widget align option changed!!
Merge branch 'jui' into 1.2.1

Conflicts:
	jui.chart.js
	jui.chart.min.js
	jui.js
	jui.min.js
merge to master