Renamed openquake->openquake2 in debian/postinst
Renamed openquake->openquake2 in debian/postinst


Former-commit-id: 8f916dff8e1e5801eac9dd64f323aeccd2e21bed
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine