Add chronoctl to Makefile

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Makefile

@@ -11,6 +11,7 @@ UISOURCES := $(shell find ui -type f -not \( -path ui/build/\* -o -path ui/node_
 unexport LDFLAGS
 LDFLAGS=-ldflags "-s -X main.version=${VERSION} -X main.commit=${COMMIT}"
 BINARY=chronograf
+CTLBINARY=chronoctl
 
 .DEFAULT_GOAL := all
 
@@ -22,6 +23,7 @@ dev: dep dev-assets ${BINARY}
 
 ${BINARY}: $(SOURCES) .bindata .jsdep .godep
 	go build -o ${BINARY} ${LDFLAGS} ./cmd/chronograf/main.go
+	go build -o ${CTLBINARY} ${LDFLAGS} ./cmd/chronoctl
 
 define CHRONOGIRAFFE
              ._ o o

cmd/chronoctl/main.go

@@ -1,6 +1,7 @@
 package main
 
 import (
+	"fmt"
 	"os"
 
 	"github.com/jessevdk/go-flags"
@@ -18,8 +19,9 @@ func main() {
 		if flagsErr, ok := err.(*flags.Error); ok && flagsErr.Type == flags.ErrHelp {
 			os.Exit(0)
 		} else {
+			fmt.Fprintln(os.Stdout)
+			parser.WriteHelp(os.Stdout)
 			os.Exit(1)
 		}
 	}
-
 }