Remove support for RFC868 Time Server options. Totally obsolete, and

ifchd just had empty hooks that never received work messages anyway.

Shorten the names of ifchd commands.  This breaks wire protocol, but
thankfully I haven't released yet!

ifchd/ifch_proto.h

@@ -0,0 +1,19 @@
+#ifndef NJK_IFCH_PROTO_H__
+#define NJK_IFCH_PROTO_H__ 1
+
+#define CMD_INTERFACE     "iface"
+#define CMD_IP            "ip"
+#define CMD_SUBNET        "snet"
+#define CMD_TIMEZONE      "tzone"
+#define CMD_ROUTER        "routr"
+#define CMD_DNS           "dns"
+#define CMD_LPRSVR        "lpr"
+#define CMD_HOSTNAME      "host"
+#define CMD_DOMAIN        "dom"
+#define CMD_IPTTL         "ipttl"
+#define CMD_MTU           "mtu"
+#define CMD_BROADCAST     "bcast"
+#define CMD_NTPSVR        "ntp"
+#define CMD_WINS          "wins"
+
+#endif