redhat: add missing deps and fix doc
redhat: add missing deps and fix doc

Former-commit-id: a0fe932c7b63ff4a01c6b2c4a9304052ee3324d2 [formerly a0fe932c7b63ff4a01c6b2c4a9304052ee3324d2 [formerly 543cc3ca5cf6a0bec614522b35382da83db4107e]]
Former-commit-id: 4bf19f20e07cb6954e61cdc8df8684e92c5a2c44
Former-commit-id: c1fea56ef2e1adc81a04b8bcaa8449a015dbe345
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine