calcs/hazard/classical:

Fixed a typo.
calcs/hazard/event_based:

Added section hyperlinks for ses, gmf, and hazard curves.
calcs/hazard/event_based:

Corrected a typo.
calcs/hazard/event_based:

Added a note about mean and quantile hazard curves.
calcs/hazard/event_based:

Added the hazard maps section to EB doc.