Update grunt-yabs to 0.5
Update grunt-yabs to 0.5

wangliming/jquery-ui-contextmenu,p4karthikeyan/jquery-ui-contextmenu,p4karthikeyan/jquery-ui-contextmenu,wangliming/jquery-ui-contextmenu,wangliming/jquery-ui-contextmenu,p4karthikeyan/jquery-ui-contextmenu