fix for searching object properties that are not lowercase
fix for searching object properties that are not lowercase

FugleMonkey/ng-grid,FernCreek/ng-grid,ppossanzini/ui-grid,FernCreek/ng-grid,ppossanzini/ui-grid,FugleMonkey/ng-grid,angular-ui/ng-grid-legacy,angular-ui/ng-grid-legacy,FugleMonkey/ng-grid,FernCreek/ng-grid,ppossanzini/ui-grid,angular-ui/ng-grid-legacy