func SetLogger(l log.Logger) {
	mu.Lock()
	logger = l
	mu.Unlock()
}
SetLogger redirects glog logging to the given logger.
It must be called prior any call to glog.
package glog
import (
	"fmt"
	"math"
	"os"
	"sync"
	"github.com/go-kit/kit/log"
	"github.com/go-kit/kit/log/level"
)
var maxLevel Level = math.MaxInt32
var logger = log.NewNopLogger()
var mu = sync.Mutex{}