Breaking changes

Session model

• Remove data_path and experiment_version from model (Closes Move data directory to rig schema #204)
• experiment_name is now required (closes Consider requirement experiment_name again #203)

Rig model

• Base rig model now implements a data_directory property in the base class (Closes Move data directory to rig schema #204)
• Commonly used data struct types moved to common.py
• All Devices have a calibration property that gets SerializeAsAny in the base class (closes Rethink calibration classes #182)
• additional_settings removed from Device (closes Rethink calibration classes #182)

Calibration models

• calibration module was removed (closes Rethink calibration classes #182)
• Calibrated devices now live in rig.(closes Rethink calibration classes #182)
• Calibrated models were GREATLY simplified and compatibility with aind-data-schema v1 was removed (closes Rethink calibration classes #182)