Simplified the LOG_FORMAT by removing the name
Merge pull request #1482 from gem/simpler-logging

Simplified the LOG_FORMAT by removing the name
Added file openquake_worker.cfg
Merge pull request #1483 from gem/openquake-worker

Add a file openquake_worker.cfg to be read in the workers
Now hazard calculations can be deleted safely
Added a check for invalid quantile computations
Restored num_sources removed by mistake
Fixed a misprint
Merge pull request #1484 from gem/delete-hazard-calculation

Now hazard calculations can be deleted safely
Merge pull request #1485 from gem/quantile-hazard-curves

Added a check for invalid quantile computations
Merge branch 'master' into gmf-from-ruptures