code: private MBeanAttribute makeSimpleAttribute(Node attr, String mBeanName,
  			String mBeanPublishName, String mBeanDMax) {
  		MBeanAttribute mba = makeMBeanSimpleAttribute(attr, mBeanName,
  				mBeanPublishName, mBeanDMax);
  		return mba;
  	}
docs: Makes a {@link MBeanAttribute} that corresponds to a simple <attribute>
  tag.
  
  @param attr
  the <attribute> node
  @param mBeanName
  name of the parent mbean
  @param mBeanPublishName
  publish name of the parent mbean
  @param mBeanDMax
  value of dmax specified by parent mbean
  @return