Meza/Periodic Cron jobs

Add the following to the bottom of your  file custom_crons: - server_type: app-servers time: "0/5 * * * *" job: > sudo WIKI=demo php /extensions/SemanticMediaWiki/maintenance/rebuildData.php --query= --v >> /LDAP-user-update-`date "+%Y-%m"`.log 2>&1