db/models:
db/models:

WIP for fetching GMFs by location.


Former-commit-id: f7a9eb1ce200413f11d60063ed5c12a2ea62dc38 [formerly 28c1f71f706722e9a228dbf11ebecfdded3a324c]
Former-commit-id: b30e98bf234f043de88dc64c2e1ed7e98056b614
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine