- Merge io_* plugins into one multigraph plugin
- Change graph appearance like linux diskstats plugin
RRD files generated by io_busy_, io_ios_, io_bytes_ can be taken over
- Add queue and latency functions
- Remove perl code and replace old Solaris::MapDev feature by
using iostat
- Add POD style document
- Refactoring, using functions, replace variable names, check with
shellcheck