code: @Indexable(type = IndexableType.REINDEX)
  	@Override
  	public CPMeasurementUnit addCPMeasurementUnit(
  		CPMeasurementUnit cpMeasurementUnit) {
  		cpMeasurementUnit.setNew(true);
  
  		return cpMeasurementUnitPersistence.update(cpMeasurementUnit);
  	}
docs: Adds the cp measurement unit to the database. Also notifies the appropriate model listeners.
  
  @param cpMeasurementUnit the cp measurement unit
  @return the cp measurement unit that was added