Reflected the changes in the API of aggregate losses in risklib (https://bugs.launchpad.net/openquake/+bug/1096880)
Reflected the changes in the API of aggregate losses in risklib (https://bugs.launchpad.net/openquake/+bug/1096880)

gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine