split data taking and analysis from scurvMaps to allow using parts of them for gain/pedestal calibrations
add gain/pedestal calibrations
remove gain/pedestal code (again)
fork gain/pedestal into own test (again)
fork gain/pedestal into own test (again)
cache dacs; add FLAGS
added hook to determine manually PH errors
added Weibull function with initializer
added Peters 5-parameter function with initializer
added TanH function with initializer
improved initialized
add gain/pedestal parameters (4 parameters for tanh fit)
gain/pedestal test complete with measurement/fit/saving