Initial work on classical hazard calculator
Moved the logic tree tests into commonlib
Removed an old reference to the non-existing from_hc
Added CompositeSourceModel class
Fixed two tests
Removed a pdb
Small fixes
Added CompositeSourceModelTestCase
Merged from smlt
Merge branch 'master' into classical-hazard
Merge branch 'better-monitor' into classical-hazard
Added a LtProcessor class
Introduced method reduce_trt_models
Merge branch 'master' of github.com:gem/oq-risklib into smlt
Merged from smlt
Some refactoring
Fixed an IMT ordering bug
Merge branch 'scenario-tests' into classical-hazard
Given a sensible name to the exported hazard curves
Added a check on zero curves