DER-133 - Release the exotic options ontology

[ElisaKendall]

Signed-off-by: Elisa Kendall ekendall@thematix.com

Description

1. Clean up the declarations and other header content in preparation for release of exotic options
2. Integrate the Exotic Options ontology into the various load files, including about prod

Fixes: #1821 / DER-133

Checklist:

• [x] I'm familiar with the FIBO developer quide. My contribution meets all the requirements described there.
• [x] My contribution follows the principles of best practices for FIBO.
• [x] My changes have been reconciled with latest master and no merge conflicts remain.
• [x] This PR is related to exactly one issue. The issue is referenced by using a GitHub keyword such as "fixes", "closes", or "resolves".
• [x] Hygiene tests have been applied by a PR with "(WIP)" in title.
• [x] The issue has been tested locally using a reasoner (for ontology changes).