Added a step 'upgrade-sequence0' to initial install task, renamed dirs

Signed-off-by: Yuri Weinstein <yuri.weinstein@inktank.com>
Fixed typo

Signed-off-by: Yuri Weinstein <yuri.weinstein@inktank.com>
Merge pull request #174 from ceph/fix_d-f-x_suite

Fix d-f-x suite