Changed oq extract to extract from the WebUI by default [skip CI]
Changed oq extract to extract from the WebUI by default [skip CI]


Former-commit-id: f84c255f62773afb26b40b9b69298b65d0e63501 [formerly f84c255f62773afb26b40b9b69298b65d0e63501 [formerly e215442d5bbc8ac05fb0843d75152229f5130df6]]
Former-commit-id: cd1d8c2dc251294dfca5737eaeb81e16d221fd8c
Former-commit-id: 0b6182baf0e79987e53558128f8b1e7c13b957e4
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine