Added a command oq db find
Added a command oq db find


Former-commit-id: 482fa759e1787396411da5a9fc5c5ebecfe6906e [formerly d354abcb24a6ba28cb3e1f49b42a2d26c99e2417] [formerly d354abcb24a6ba28cb3e1f49b42a2d26c99e2417 [formerly 8c471017b1ca3e9594e35cf33cbe1c0c9a672cd9]]
Former-commit-id: c4eb26e3b1fc0f49f588c04a435d28379951089a
Former-commit-id: 20f70479ef9e9e3934754aff90abc2dc66f8c417
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine