Allow packages build in an LXC
Allow packages build in an LXC

This can be done using the -L flag with packager.sh


Former-commit-id: 37b16eeff355e89ec5060685544f80fd0fbfacf6 [formerly 12a1779a4d8a9feea318f5f8f1472a9624bc7181]
Former-commit-id: 72d83c05ff9ce198239a6df2da6385271b2dfd81
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine