Added generic fall through for ChEBI
Addresses
@@ -33,3 +33,6 @@ entries:
- from: /about/CHEBI_15377
to: http://www.ebi.ac.uk/chebi/searchId.do?chebiId=CHEBI_15377
+## generic fall-through, serve direct from github by default
+- prefix: /
+ replacement: http://ftp.ebi.ac.uk/pub/databases/chebi/ontology/
