remote: Missing long options in usage message

E.g., "-A" has a long option "--autodetect"; and -f has a long option --force.

Some options are not shown at all, e.g., options.AddBool(fs, &optTryLastGateway, "x", "try-last-gateway", false) and options.AddBool(fs, &optAllowConfigQuirks, "f", "force", false). Maybe something more, check in detail when fixing this.