added new plugin check_io (first draft)
check_io first release
source code cleanup
fixed RHEL 6 iostat issue
removed -p on RHEL to reduce performance data (issue with nrpe blocksize)
check_io.pl: added checked disks
check_io.pl: formated output (grouped by disk)
check_io: added automake files
check_io: added automake files
check_io: added short disk perfdata names for Solaris hosts
check_io: added short disk perfdata names for Solaris hosts
check_io: added -s to help and usage
check_io: added %b (busy) and %util for Solaris and Linux hosts
check_io: better output formating
check_io: bump to 0.3
check_io: added Changelog to check_io.pl