Many improvements to the OpenQuake review script:     - consistent use of awk     - more resilient to errors
Many improvements to the OpenQuake review script:
    - consistent use of awk
    - more resilient to errors


Former-commit-id: 237a0717d1f1df895d4c628a9d4105d1fa099e76 [formerly 7988387431085e5e5112c0e022c729af48eda247]
Former-commit-id: c6673998edf5c781a0ef221407b95d7e9f50af27
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine