Changing Mapper for new Hadoop API 5

hadoopexample6

@Overide
public void configure(JobConf job) {
  super.configure(job);
  config = job;
BECOMES
@Override
public void setup(Mapper<InputKey, InputValue, OutputKey, OutputValue>.Context context) 
  throws InterruptedException, IOException {
  super.setup(context);
  config = context.getConfiguration();