Creates empty tof module
Added timeScaleFromDataSource in tof.py
Connect to datasource now returns the datasource.
Tof scale with source. Get time scal in mainAnalysis.
Moved the psana.Source part into the time scale function.
Importing the time scale to the hdf5 file.
Can now run without xtc file, bug corrected.
Multiple changes. Time traces in volts now to hdf5 file.