No more untrapped exceptions in oqtask
Fixed a function name
Improved the traceback returned by safely_call
Improved the error management in the egine server
Merge pull request #1382 from gem/better-errors-in-oqtask

Untrapped exceptions in oqtask give ugly error messages
Merge branch 'master' of github.com:gem/oq-engine into removing-ruptures-3
Cosmetic changes
Merge pull request #1376 from gem/removing-ruptures-3

Avoid storing copies of the ruptures
Added monitoring of the execute phase
Merge branch 'master' of git://github.com/gem/oq-engine into disagg-1