If enabled the slave startup is blocked until all stale groups were
reindexed. Enabling this allows to prevent that slaves that were offline
for a longer period of time run with outdated group information until
the first scheduled indexing is done.
E.g. if a slave was offline for 3 weeks and groups are not reindexed on
startup the slave sees group information that is 3 weeks old until the
first scheduled indexing is done. This may be a security issue.
Change-Id: I57ac7ef5c823ec18beef8c19ef159e400b7ada71
Signed-off-by: Edwin Kempin <ekempin@google.com>
a32d4436fc