#67 add waterfall brush in chart
Merge branch 'develop' into 1.2.1

Conflicts:
	jui.chart.js
	jui.chart.min.js
	jui.js
	jui.min.js
Merge branch 'develop' of https://github.com/seogi1004/jui into develop

Conflicts:
	jui.chart.js
	jui.chart.min.js
	jui.js
	jui.min.js