Make packager.sh compatible with CI running on Ubuntu 14.04
Make packager.sh compatible with CI running on Ubuntu 14.04


Former-commit-id: 1a5931104db0c30f880e25010a7f98481f54b7f4 [formerly 7a79ccff859dc626affbfdec6ee18b15f8424b58]
Former-commit-id: b9afd7b88bf90cc60835499c154102e0bd58afe9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine