Merge pull request #105 from jonboulle/help

rkt/appc: fix help, remove unimplemented gc command

app-container/actool/actool.go

@@ -69,7 +69,7 @@ func main() {
 		if c.Name == args[0] {
 			cmd = c
 			if err := c.Flags.Parse(args[1:]); err != nil {
-				fmt.Fprintf(os.Stderr, "%v", err)
+				fmt.Fprintf(os.Stderr, "%v\n", err)
 				os.Exit(2)
 			}
 			break

rkt/gc.go

@@ -1,17 +0,0 @@
-package main
-
-import "fmt"
-
-var (
-	cmdGC = &Command{
-		Name:    "gc",
-		Summary: "Garbage-collect rkt containers no longer in use",
-		Usage:   "",
-		Run:     runGC,
-	}
-)
-
-func runGC(args []string) (exit int) {
-	fmt.Println("Not implemented.")
-	return
-}

rkt/rkt.go

@@ -49,7 +49,6 @@ func init() {
 		cmdHelp,
 		cmdFetch,
 		cmdStatus,
-		cmdGC,
 		cmdRun,
 		cmdVersion,
 	}
@@ -70,7 +69,7 @@ func main() {
 		if c.Name == args[0] {
 			cmd = c
 			if err := c.Flags.Parse(args[1:]); err != nil {
-				fmt.Fprintf(os.Stderr, "%v", err)
+				fmt.Fprintf(os.Stderr, "%v\n", err)
 				os.Exit(2)
 			}
 			break