Added LogMessageConsumer
Added LogMessageConsumer


Former-commit-id: 5032f0d69e140fd0e1d3b6b7f5b8811ea4d5e134 [formerly 5032f0d69e140fd0e1d3b6b7f5b8811ea4d5e134 [formerly f0d00479a8572259a212dbd65c216578d2bd9f16]]
Former-commit-id: 14aea4a1b8d2b98ff38e393d3cf8b3029bf4df80
Former-commit-id: 6399f8fdfed3cdbe3ee57a6615cda5394b6956f5
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine