packager.sh: add set -e and set -x management on remote multi lines ssh commands
packager.sh: add set -e and set -x management on remote multi lines ssh commands


Former-commit-id: adbd19d9f0a807349049c113f0790ddf7f793bf6 [formerly adbd19d9f0a807349049c113f0790ddf7f793bf6 [formerly 016bc072dfac1ec896c0d034c70d1efaeb9f59bc]]
Former-commit-id: aaa8be1bd00b06c5eeceee499f0d7e98a45ff16d
Former-commit-id: 06556606b75c33783cc7649ba4eb9e7e1645dbae
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine