enhanced pkgtest to support multi repo/branch build
enhanced pkgtest to support multi repo/branch build


Former-commit-id: 986772e200b2ef2c9949ee16be130f2b241da45d [formerly 75893140accceaed5ecee45528acb1548dfc91cb]
Former-commit-id: b75d1e25780325c4c21a90e88b64469a683f0d89
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine