- if force-branch, use that
- otherwise:
- read default-branch from client config
- use suite branch or ceph branch if suite branch is not defined
- if this branch is one of official releases (or master), prefix
it with 'ceph-'
try to clone branch specified above, if failed (branch doesn't exist probably)
and not force-branch, use default-branch.
Also add an option to override ragweed repo.
Switched all force-branch from ragweed qa suite to default-branch.
Signed-off-by: Yehuda Sadeh <yehuda@redhat.com>