supervisor: use proper loggers everywhere, use right routing key, don't force logging level
supervisor: use proper loggers everywhere, use right routing key, don't force logging level

Former-commit-id: 476031978beabe6173b37cc6b6069c967ae024c4 [formerly 2acc1587b148d019ac4f0437d23c2bc093f17069] [formerly 2acc1587b148d019ac4f0437d23c2bc093f17069 [formerly de3097ff402e98006bd1f97a262047890a5adeff]]
Former-commit-id: fa03cc4045ce13d94428255b3dbfb7aaddf3e5a6
Former-commit-id: 0b70a2b0a3c9adb3b07b22902ce7eb1a1d75537b
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine