demos/event_based_hazard/source_model.xml:
demos/event_based_hazard/source_model.xml:

Updated planar surface point ordering to be consistent with nrml schema and
hazard lib.


Former-commit-id: d0ce2199adadd007d0dd00e26392459f07f0b9ec
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine