Enabling multi-region S3 tests

This file turns on multi-region
S3 tests. Ticket #5842.

Signed-off-by: Joe Buck <jbbuck@gmail.com>
added point releases of dumpling to upgrade-dumpling suite

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
mini upgrade suite to run across all distros

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
upgrade: set dumpling branch for rest.yaml

Signed-off-by: Sage Weil <sage@inktank.com>
(cherry picked from commit 2946dd857ee63641ad663f75aea93f335b778e3e)
s/fsstress/dbench as fsstress fails to run on fedora and centos.
and removed cls tests from rados


Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
upgrade/rgw*: use correct branch for s3tests

Signed-off-by: Sage Weil <sage@inktank.com>
(cherry picked from commit ccbd9b0ccbc435a5d9ffe499fde281463d569727)
replacing s3test with s3readwrite

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
s/rbd_import_export/rbd_copy due to bug#5426

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
s/s3tests/swift tests

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
removed basic dir as it is not needed

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
added distro: rhel 6.4 and added rgw task

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>