A first version of a use case was drafted: usecal1.pdf
The software that implements attaching tables for system temperatures, gain curves and flagging information to aips++ MeasurementSets and the changes to the tConvert software that converts this information to the proper FITS-IDI tables when the data set is converted from MeasurementSet to FITS-IDI can be found here: caltrans.tar.gz
A description of the implementation is available here: caltrans.pdf