removed a blank line

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
Merge branch 'master' of github.com:ceph/ceph-qa-suite
added tasks in the yaml

Signed-off-by: tamil <tamil.muthamizhan@inktank.com>
upgrade-parallel: do staggered updates
upgrade-parallel: add stress-split collection
upgrade-parallel/stress-split: fix osd names

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