[log_errors] turn on log scanning in our example env
[log_errors] create log checks for all entries in logs_to_scan
[log_errors] list of logs_to_scan
[log_errors] don't freak if the log file isn't there
[log_errors] populate db group_vars
[log_errors] don't auto resolve ERRORS
[log_errors] lock sensu sudo to just check-log.rb

In addition:
--silent switch in check-log.rb handles nonexistant log
interval arg for sensu_check library