engine:
engine:

Fixed the file parsing in `parse_config`. The file dict returned by
this function is now properly keyed by the parameter name (example:
"exposure_file") instead of the input type (example: "exposure").

There are corresponding changes in `create_hazard_calculation` and
`create_risk_calculation`.


Former-commit-id: a294bf06db1efe3bfd4da1f045496b56c274bb07 [formerly a5f522566d7db72331b2d9bdd228d566765ffe49]
Former-commit-id: 018a3f698f7669a6cde5415646a35bf3dfe18f60
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine