@Override
    public int compareTo(ApplicationFile other) {
        if (other == this) return 0;
        return this.getPath().getName().compareTo((other).getPath().getName());
    }
@author Ulf Lilleengen
@author Vegard Havdal
configserver/src/main/java/com/yahoo/vespa/config/server/zookeeper/ZKApplicationFile.java