TS-2304 Make the healthcheck plugin watch for file permission changes
Added TS-2304 to CHANGES.
TS-2533 Add three commands previously provided by traffic_shell.

This adds the following command line options:

     --alarms        Show all alarms currently active (show:alarms)
     --status	     Show the current proxy server status (show:status)
     -- clear_alarms Clear selected alarms. Arguments are the name string,
                     the event number, or the string "all".