Added purging of gmf and gmf_set after population of gmf_agg
Removed the obsolete table gmf_data
Fixed a few tests depending on gmf_data
Work to remove the gmf_scenario table
Merge branch 'export-gmf_agg' of github.com:gem/oq-engine into purge-gmf-tables
Merged from master
Merge branch 'export-gmf_agg' into purge-gmf-tables
Removed the dependency on gmf_set from the risk calculator
Fixed indentation
Merge branch 'export-gmf_agg' into purge-gmf-tables
Merge branch 'export-gmf_agg' into purge-gmf-tables
Fixed risk_test.py:EventBasedExportTestCase
Merge branch 'master' of github.com:gem/oq-engine into remove-gmf_scenario
Further simplifications
Implemented the distribution by ses and fixed the tests by increasing the number of iterations when needed
Restored the source splitting
Restored source splitting
Merged from change_distribution
Merge branch 'export-gmf_agg' into change_distribution_phase_2
Fixed test_task_arg_gen