spinner

http://www.telerik.com/forums/how-to-manually-show-and-hide-loading-or-spinning-image
http://stackoverflow.com/questions/21114819/kendo-ui-grid-not-showing-pinner-load-icon-on-initial-read
http://docs.telerik.com/kendo-ui/api/javascript/ui/ui#methods-progress
http://stackoverflow.com/questions/25082584/loading-icon-for-kendo-ui-grid
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http://stackoverflow.com/questions/17793335/kendoui-chart-how-do-i-show-loading-animation
http://jsfiddle.net/OnaBai/kcptr/3/
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http://stackoverflow.com/questions/21114819/kendo-ui-grid-not-showing-pinner-load-icon-on-initial-read
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http://jsbin.com/uqOdehig/2/edit?html,output