LogDog: Split CLI tool into package and main.

logdog/client/cli/path.go

 // Copyright 2016 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
-package main
+package cli
 
 import (
         "github.com/luci/luci-go/common/config"
         "github.com/luci/luci-go/logdog/common/types"
 )
 
 func makeUnifiedPath(project config.ProjectName, path types.StreamPath) string {
         val := string(project)
         if path != "" {
                 val += types.StreamNameSepStr + string(path)
         }
         return val
 }