#578 Bring hpi_shell into accord with HPI-B.03.02 spec

[Anton Pak]

TODO:
- entity tree functions - saHpiGetChildEntityPath, saHpiGetIdByEntityPath
- FUMI functions
- saHpiRdrUpdateCounterGet
- saHpiResourceFailedRemove

[Anton Pak]

Implemented in trunk (rev #7036)
Details:
- new commands
-- lsent - shows entity tree
-- entres - shows resources for specified entity
-- entinstr - shows intruments for specified entity
-- rdrupdatecounter - shows rdr repository update counter for specified resource
-- removefailed - removes RPT entry for failed resource
-- FUMI
--- getsource renamed to sourceinfo
--- verifytarget renamed to verify
--- new subcommands: specinfo, serviceimpact, disableautorollback, verifymain, cleanup
--- added logical option to activate subcommand