Add the correct genitive ending to a given name.

genitive.ts

/**
 * Add the correct genitive ending to a given name.
 */

private addGenitiveEnding(name : string) : string {
	if (name.charAt(name.length - 1).match(/[s|z|ß|x]/)) {
		return name + '’';
	} else {
		return name + 's';
	}
}