0611 Reliability of an "interpreted" interval

We would like to be able to give a degree of reliability to, for example, a chronostratigraphic attribution. Example: such interval is declared to be APTIAN and this interpretation is said to be "reliable" (or "doubtful" or ...). This need is valid for any kind of interpretation: chronostratigraphy, biostratigraphy, paleoenvironments ...

Modify uncertainty class relationship

Allow uncertainty_class to qualify many material_classification by changing the relationship from a one-one to a one-many relationship.

Modified objects:
MSA2:_Materials_Composition (Diagram)
material_classification.uncertainty_class (Attribute)
uncertainty_class.material_classification (Attribute)