unclear. Other programs only support -e. Remove -D.
(install_service): Remove argument datadir_set.
(main): New option -v.
(main): Exit successfully after -h.
(main): Don't print usage on unknown options, just point to -h.
(print_usage): Rewrite. Deprecate use of non-option arguments.
(main,service_main,empth_exit) [_WIN32]: Add daemon flag.
Separate the debug_flag into two separate flags, one for
debugging (debug) and controlling the daemon processing
(daemon).
Add Windows Service to the server.
This includes adding install service and remove service option.
Move the start code from main to separate function.
Make close_files() and loc_NT_Term() global.
Move disassoc() to be earlier in the startup sequence.
