G4 Tutorial configure settings

[floesche]

• Default flight test protocol – perhaps mention that this is used to align the fly. the experimenter can check if the fly can perform stripe fixation (closed loop) and if responses to gratings moving in two directions are roughly symmetrical (open loop). If these conditions are not met, then usually there is no point in running the experiment

This issue is part of the second feedback round, received 2020-10-26.