Added config file for 3 new qa tests
Added the skeleton for the scenario_damage calculator
Added an exposure_model.xml
Merge branch 'master' of https://github.com/gem/oq-engine into scenario_hazard_correlation_model
Merge branch '1100776' of github.com:gem/oq-engine into 1100235
Merge branch 'master' of github.com:gem/oq-engine into 1100235
Preliminary work on the core scenario_damage calculator
Merged from master
Fixed progress status related to scenario core
Updated config files and test assertion
clean up(pep8), removed prints
Merge branch 'master' of https://github.com/gem/oq-engine into scenario_hazard_correlation_model
Merge branch 'master' of github.com:gem/oq-engine into 1100235
Some small work on scenario_damage
Added tests, extracted get_correl_model, updated tests configs
Added test files
Added test for realizations per task
Substantial work on the distribution logic for the scenario_damage
Removed a .ini~ file committed by accident
Pep8/Pylint fixes