function _fnSortDisplay(settings) {
		var display = settings.aiDisplay;
		var master = settings.aiDisplayMaster;
		var masterMap = {};
		var map = {};
		var i;

		// Rather than needing an `indexOf` on master array, we can create a map
		for (i = 0; i < master.length; i++) {
			masterMap[master[i]] = i;
		}

		// And then cache what would be the indexOf fom the display
		for (i = 0; i < display.length; i++) {
			map[display[i]] = masterMap[display[i]];
		}

		display.sort(function (a, b) {
			// Short version of this function is simply `master.indexOf(a) - master.indexOf(b);`
			return map[a] - map[b];
		});
	}
Sort the display array to match the master's order
@param {*} settings