Additions and enhancements (#14)

- add interactive API repl
- enhance cluster status output (use -v)
- add more ccr commands
- refactoring

cmd/index.go

@@ -37,6 +37,7 @@ func Index(conf *cfg.Config) *cli.Command {
 			IndexShow(conf),
 			IndexCreate(conf),
 			IndexDelete(conf),
+			IndexClose(conf),
 		},
 	}
 }
@@ -156,3 +157,14 @@ func IndexDelete(conf *cfg.Config) *cli.Command {
 		},
 	}
 }
+
+func IndexClose(conf *cfg.Config) *cli.Command {
+	return &cli.Command{
+		Name:  "close",
+		Usage: "close an index",
+
+		Action: func(ctx context.Context, cmd *cli.Command) error {
+			return es.IndexClose(conf, cmd.Args().Get(0))
+		},
+	}
+}