User/Core: Adding Moeller readout and analysis, inside a BeamPolMon apparatus

User: PairSpec detector better file config

User: Adding BeamPolMon apparatus

TA2Moeller added (minimal stuff), PairSpec improved

Enabling Moeller readout

Moeller analysis continued

Moeller work in progress

Moeller continued

Moeller readout seems to work

Start/Stopping as Scaler module