Add debootstrap & in-target to "Other install logs"

The most informational logs since install stage...

Fixes: #PRD-2048

Change-Id: Id4c72d87406d8a9b3dad74f82291cb5ac2cebc0e
Signed-off-by: Bogdan Dobrelya <bogdando@mail.ru>
Fix exception in check_ceph in case of RedHat.
Ceph values for redhat were selected directly in redhat without nested dict

Tested with fake UI ubuntu, centos, redhat

Change-Id: I4cc19dcfa2243733ba5f4da8a74150a974fb28e6
Merge "Add debootstrap & in-target to "Other install logs""