Use folding concertina on setting trialobject model parameters.
Fixes required field filling.
Fixes required checks for modeleditview, adds popovers to signal required parameters.
Converts all non-API models to use required and optional parameter functions.
DRYs up Model Edit views to one view to RULE THEM ALL!
Restyles TrialObject panels.
Adds catch for Base Model for models with no relations.
Adds editable title display for Experiment.