added 'show_gaps' support to the 'squid' graph
Add a check during the initialization of the 'nfss' graph, to test if there is the '/proc/net/rpc/nfsd' file.
added 'show_gaps' support to the 'nfss' graph
Add a check during the initialization of the 'nfsc' graph, to test if there is the '/proc/net/rpc/nfs' file.
added 'show_gaps' support to the 'nfsc' graph
added 'show_gaps' support to the 'bind' graph
added 'show_gaps' support to the 'ntp' graph