gerrit: add abandon feature
gerrit: add abandon feature

Adding an anbandon feature to gerrit-status.py allows a use with
maintainers rights to abandon reviews which haven't been updated in the
last 90 days.

Signed-off-by: Kévin THIERRY <f48dfc44ac46b15b9d2595904ba659e6d613ffc4@open.eurogiciel.org>

eurogiciel-oss/Tizen-development-report,eurogiciel-oss/Tizen-development-report