Added import_hazard_curves.py
Merge branch 'master' of github.com:gem/oq-engine into 1175452
Fixed a misprint
Merge branch 'master' into 1175452
Merge branch 'master' of github.com:gem/oq-engine into 1175452
Fixed import_gmf_scenario to generate a HazardCalculation object too
Updated the script import_hazard_curves.py
Updated import_hazard_curves to use the HazardCurveModel
Added the "import hazard curve" feature to bin/openquake
Merge branch '1175452' into fix-site_data
Fixed all the importers to work with the SiteData table and simplified the management of the SiteCollection