@Override
  public boolean configure(FeatureContext context) {
    context.register(new Binder());
    return true;
  }
Implements a Singleton binding to the provided instance of {@link HMaster} for both
{@link HMaster} and {@link MasterServices} injections.
hbase-server/src/main/java/org/apache/hadoop/hbase/master/http/jersey/MasterFeature.java