Several fixes for the release (#175)

cli/cmd/root.go

@@ -1,7 +1,6 @@
 package cmd
 
 import (
-	"errors"
 	"fmt"
 	"github.com/spf13/cobra"
 	"github.com/up9inc/mizu/cli/fsUtils"
@@ -19,8 +18,7 @@ Further info is available at https://github.com/up9inc/mizu`,
 		}
 		mizu.InitLogger()
 		if err := mizu.InitConfig(cmd); err != nil {
-			mizu.Log.Errorf("Invalid config, Exit %s", err)
-			return errors.New(fmt.Sprintf("%v", err))
+			mizu.Log.Fatal(err)
 		}
 
 		return nil