COMMONS11 — Rename the new composites ontology to roles and compositions

After additional review, RTF members suggested that a better name for the ontology would be roles and compositions. Other feedback identified a typo, suggested that we add the notion of independent identity in the definition of composition for clarification, and remove the functional axiom on the property isPlayedBy, which might overly constrain its utility.

Rename the new composites ontology and revise definitions per additional RTF discussion

The resolution to this issue depends on the resolution to COMMONS-11-4, adding a new Composites ontology, and revises the results of that resolution, including renaming and moving the sections in the specification as well as renaming the ontology, per further RTF discussion.

Note that the change barred version of the document does not reflect the original sections (i.e., adding and then deleting 8.5, for ease of managing the resulting document in LibreOffice.