calcs/hazard/event_based/post_processing:

Updated gmf-to-hazard-curve post-processing to save the realization weight
to `hazard_curve_data` (to be consistent with the classically-produced
curves).
Merged from master
Substantial simplification of the data model from the scenario_damage calculator
Removed a forgotten reference to CollapseMap
Restored the lsi concept in the db, even if it is missing in the XML
Merge pull request #1014 from larsbutler/update-eb-pp

Update EB hazard post-processing to save curves correctly.

[r=mately]
copyright change
Merge pull request #1016 from matley/copyright-year

2012 -> 2013 in license
Simplified the damage_state foreign keys
Added an index on dmg_state(output_id)
Removed a dependency from shapes
Added an index riskr_dmg_state_lsi_idx
Merge pull request #1015 from gem/1100776

Simplify the data model for the scenario_damage risk calculator
Merge branch 'master' of github.com:gem/oq-engine into 1100235
Some small work on scenario_damage
Substantial work on the distribution logic for the scenario_damage