first pass
qa test passes
removed old tests
added new qa test and migration script
fix deadlock problem
removed an old test
removed duplicated xml files
Merge branch 'master' of https://github.com/gem/oq-engine into dump-import-ses
updated revision info
Merge branch 'master' of https://github.com/gem/oq-engine into dump-import-ses
do not rely on field ordering
merge commit
removed duplication
added docstring
removed an unnecessary conversion
guarded an expression
restore_hazard only used from openquake script
use copy expert
removed unused imports
fix oqscript to get an opened connection