FIxed dumpling - emperor upgrade suites

Reformatted many of the yaml files.
Fixed duplication of workunit definitions.
Do not do install.upgrade on clients.
Included branch: definition in final workload files.

Signed-off-by: Warren Usui <warren.usui@inktank.com>
Merge pull request #23 from ceph/wip-7771-wusui

FIxed dumpling - emperor upgrade suites
rados/singleton-nomsgr: add multi-backfill reservation rejection test

This triggers #7922.

Signed-off-by: Sage Weil <sage@inktank.com>
rados/thrash: rejection backfill reservations sometimes while thrashing
Merge pull request #24 from ceph/wip-7922

rados/singleton-nomsgr: add multi-backfill reservation rejection test
changed idle_timeout to 300
big: test xfs + btrfs

Note that previously we were specifying neither, so the OSDs were running
off of /.

Signed-off-by: Sage Weil <sage@inktank.com>