debian/rules updated to support /opt/openquake
debian/rules updated to support /opt/openquake


Former-commit-id: 75de95cc70ef8e208a4e88b9b502c9035b9dc81a [formerly f406d5d2802d62f53c7dc4fa05def793f2c3ed80]
Former-commit-id: 6c4c8d3ccac21978e5c58e28a970496f1dac2b65
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine