Added Event.Raw.flags and output of SIS3300 USRIN as flag number 1

Also added new option SIS3300.DAQSettings.captureUserIn to control
output of full USRIN logic trace.
Added Event.devid and support for device id to SIS3300
Changed SIS3300 readout to read out only enabled channels

Read out only enabled channels (some trigger threshold is set), even
if trigOnly option is set to false.
Fixed Product constructor resolving in rootsys.ProductSerializer
Merge branch 'fadc' into v1

SIS3300 improvements