added new 'limit' functionality to 'squid' graph
added new 'limit' functionality to 'nfss' graph
added new 'limit' functionality to 'nfsc' graph
added new 'limit' functionality to 'bind' graph
added new 'limit' functionality to 'ntp' graph
added new 'limit' functionality to 'fail2ban' graph
added new 'limit' functionality to 'icecast' graph
added new 'limit' functionality to 'raspberrypi' graph
added new 'limit' functionality to 'phpapc' graph
fixed the use of uninitialized variables in 'phpapc'
added new 'limit' functionality to 'memcached' graph
added new 'limit' functionality to 'apcupsd' graph
added new 'limit' functionality to 'wowza' graph
added new 'limit' functionality to 'int' graph
added new 'limit' functionality to 'traffact' graph