Bump src/health_manager_next:

Alex Choi and Gregg Van Hove (1):
      update gems and fix deprecation warnings

Mark Rushakoff and Onsi Fakhouri (2):
      Don't try to stop crashed extra instances
      Don't try to kill the same extra instance more than once
Bump src/collector:

Mark Rushakoff (1):
      Slightly more useful logging

Mark Rushakoff and Matthew Kocher (2):
      Log DataDog metric sending failures
      Changing logging to fluentd format, removing some log lines that didn't seem useful
Bump src/cloud_controller_ng:

Maria Shaldibina and Rob Day-Reynolds (2):
      Fix typo in test
      Fix nginx download URI

kushmerick (1):
      fix typo
Bump src/collector:

Mark Rushakoff and Onsi Fakhouri (1):
      Fix collector logging when failing to send to datadog