Monitor LDAP sync

[larsxschneider]

In GHE you can define the LDAP sync intervals. The sync time should always be smaller than the sync interval. You can monitor the sync time (for ldap team syncs) of your GHE appliance as follows:

$ zcat -f production.log* |  perl -ne 'print if s/^(.*) \+.*resque\.performed.*ldap_team_sync.*?([0-9\.]+ms)$/\1 \2/' | sort

[Hollywood]

@larsxschneider, working on this one.