cliff 2.8.1 release

meta:version: 2.8.1
meta:diff-start: -
meta:series: pike
meta:release-type: release
meta:pypi: yes
meta:first: no
meta:release:Author: Julie Pichon <jpichon@redhat.com>
meta:release:Commit: Julie Pichon <jpichon@redhat.com>
meta:release:Change-Id: Idc1059f96f4432a3179cbaac10a211eb526b77dc
meta:release:Code-Review+1: Dean Troyer <dtroyer@gmail.com>
meta:release:Code-Review+2: Sean McGinnis <sean.mcginnis@gmail.com>
meta:release:Workflow+1: Sean McGinnis <sean.mcginnis@gmail.com>
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