Make universal format output from velocity calib
Make universal format output from velocity calib

Previously ID and velocity was stored for each threshold in different files.
Now output is done in UniversalCalibration format.

JPETTomography/j-pet-framework-examples,JPETTomography/j-pet-framework-examples,JPETTomography/j-pet-framework-examples,JPETTomography/j-pet-framework-examples