function(toolKey, _newTool){
			var _this = this;
			angular.forEach(toolbars, function(toolbarScope, toolbarKey){
				_this.updateToolbarToolDisplay(toolbarKey, toolKey, _newTool);
			});
		}
function(toolKey, _newTool){
			var _this = this;
			angular.forEach(toolbars, function(toolbarScope, toolbarKey){
				_this.updateToolbarToolDisplay(toolbarKey, toolKey, _newTool);
			});
		}
function ( toolKey , _newTool ) { var _this = this ; angular . forEach ( toolbars , function ( toolbarScope , toolbarKey ) { _this . updateToolbarToolDisplay ( toolbarKey , toolKey , _newTool ) ; } ) ; }
update a tool on all toolbars
update a tool on all toolbars