* contrib/hbnetio/utils/hbnetio/netiosrv.prg
* contrib/hbnetio/utils/hbnetio/netiosvc.prg
+ use latest hbwin/wapi capabilities to install service thus
allowing to change back the default run mode to interactive
+ install service as auto-start
+ added Windows service related option to cmdline help screen
+ display textual error msg on service related errors
! minor typo in an error msg