Initial commit of seismic source object models.
Initial commit of seismic source object models.

I still have some documentation to finish up.

g-weatherill/oq-risklib,gem/oq-engine,gem/oq-engine,g-weatherill/oq-risklib,vup1120/oq-risklib,gem/oq-engine,gem/oq-engine,vup1120/oq-risklib,gem/oq-engine,raoanirudh/oq-risklib,raoanirudh/oq-risklib,g-weatherill/oq-risklib