Delayed the OqParam validation
Simplified the monitoring
Update README.txt
Some cleanup
Refactored all QA tests hazard
Refactored QA tests risk
Some renaming
Renamed sc_utils
Moved all the QA tests data into oq-libs
Removed scenario_risk/occupants
Fixed the spatial_correlation imports
Renamed qa_tests -> qa_tests_data
Merge pull request #1606 from gem/moving-qa-tests

Extract the QA tests data from the engine
Added a comment about monitoring postgres
Merge pull request #1604 from gem/better-monitor

Simplified the monitoring
Added CheckHazardRiskConsistencyTestCase
Removed a trailing quote
Merge pull request #1603 from gem/engine-server-refactoring

Delayed the OqParam validation
Merge branch 'master' into smlt
Merge branch 'smlt' of github.com:gem/oq-engine into smlt