Added an output_type command line flag (can be either 'db' or 'xml').
Added an output_type command line flag (can be either 'db' or 'xml').


Former-commit-id: 33a4ad3732c8d005ad9434058bd9f938e8ffe649 [formerly d6d5cfcedde3f676280e7594883068eadc1a0241]
Former-commit-id: 4df455c22e15f04a056a3cafa002e8d4c9c0f0df
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine