Instead of setting up the default keys by building the key struct

directly with a helper function in the cmd_entry, include a table of
bind-key commands and pass them through the command parser and a
temporary cmd_q.

As well as being smaller, this will allow default bindings to be command
sequences which will probably be needed soon.

cmd-refresh-client.c

@@ -31,7 +31,6 @@ const struct cmd_entry cmd_refresh_client_entry = {
 	"C:St:", 0, 0,
 	"[-S] [-C size] " CMD_TARGET_CLIENT_USAGE,
 	0,
-	NULL,
 	cmd_refresh_client_exec
 };