Merge branch 'change-risk' of github.com:gem/oq-commonlib into change-risk
Addressed lots of points in https://github.com/gem/oq-commonlib/pull/52
Merge branch 'change-risk' into oq-lite
Improved a comment
Merge pull request #52 from gem/change-risk

Basic support for risk calculators in commonlib
Merge branch 'master' into oq-lite