Moved parse_config from the engine to commonlib
Clear error message for unknown gsims
Merge pull request #1475 from gem/job-ini

Moved parse_config from the engine to commonlib
Merge branch 'master' of github.com:gem/oq-engine into unknown-gsim
Removed a file committed by accident
Merge pull request #1476 from gem/unknown-gsim

Provide a good error message when a source model contains GSIMs not in the file gsim_logic_tree
Merge remote-tracking branch 'upstream/master'