pwcli: store commit_ref during list review command in stgit mode
pwcli: store commit_ref during list review command in stgit mode

This is needed with commit command in stgit mode.

Signed-off-by: Kalle Valo <7081a7d99b8c74c0698a728df19e3915a995d7e1@codeaurora.org>

kvalo/pwcli,kvalo/pwcli