The engine must be independent from the server
Merge branch 'fixed-eb-source-model' of github.com:gem/oq-engine into dependency-check
Merge branch 'master' of github.com:gem/oq-engine into dependency-check
Merge pull request #1563 from gem/remove-tests

Removed another couple of redundant tests
Merge pull request #1565 from gem/remove-tests

Removed more risk unit tests
Merge pull request #1552 from gem/dependency-check

Dependency check
Added some missing null=False in EventLossAsset
Added some missing null=False in EventLossAsset
Merge pull request #1564 from gem/special-assets

Implemented losses per event per asset
Merge branch 'master' into single-getter