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Merge branch 'CDB-2050' of github.com:CartoDB/cartodb into CDB-2050

* 'CDB-2050' of github.com:CartoDB/cartodb:
  CDB-2140 added the missing public vis filter
  CDB-2141 first fix, proper job.id reported to exception message
  CDB-2131 removed code associated with a bugfix renaming tables. It has side-effects upon importing, so undoing it.
  CDB-2131 upped retries to 20 per request of commercial people (who upload lots of times same table)
  CDB-2131 Added more critical logs for debugging failed imports