Add logging statements to openquake.utils.tasks functions
Add logging statements to openquake.utils.tasks functions


Former-commit-id: 9fbb740eedcd04ef4dfda7551bdacf4cac4ce931 [formerly acd489c0e3c4fecff71e48787c5447306d0afad8]
Former-commit-id: ba88bcc2e421db6e3865d01f4753dfc987da7dda
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine