Changes catalogue __repr__ to __str__
Changes catalogue __repr__ to __str__


Former-commit-id: dc9afd7c5a0063b2418aa3e3171e11660c9684f7 [formerly 7b1343b2ea1e144ee80ddd4f1e9564263be9bc6a]
Former-commit-id: da7f9ccba57b6eb5f27e6e2fffd5fc45a75aa589
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine