* upstream/5.3.x: (30 commits)
  (packaging) Updating the puppet.pot file
  (PUP-8297) Don't accept already connected socket
  (PUP-8297) Test block yielded to Webrick.start
  (packaging) Updating the puppet.pot file
  (maint) Bump travis CI to 2.2.9 and 2.3.6
  (PUP-5392) Generated manpages
  (docs)(PUP-5392) Document managing a master bucket
  (packaging) Updating the puppet.pot file
  (PUP-8321) update warn_once() calls with i18n decorations
  (PUP-8314) add decorations to raise ArgumentError strings part 5
  (PUP-8314) add decorations to raise ArgumentError strings part 6
  (PUP-8321) convert warn_once and issue_deprecation_warning to use error_location
  (packaging) Updating the puppet.pot file
  (PUP-8314) add decorations to raise ArgumentError strings part 4
  (packaging) Updating the puppet.pot file
  (packaging) Updating the puppet.pot file
  (packaging) Updating the puppet.pot file
  (PUP-8345) make back slash continuation lines more readable
  (PUP-8314) add decorations for raise ArgumentError strings part 2
  (PUP-8314) add decorations for raise ArgumentError strings part 3
  ...