format: add format cmd & goimport repo (#4586)

* format: add format cmd & goimport repo

- replaced format command
- added goimports to format command
- ran goimports

Signed-off-by: Marko Baricevic <marbar3778@yahoo.com>

* fix outliers & undo proto file changes

libs/log/tmfmt_logger_test.go

@@ -10,6 +10,7 @@ import (
 
 	kitlog "github.com/go-kit/kit/log"
 	"github.com/stretchr/testify/assert"
+
 	"github.com/tendermint/tendermint/libs/log"
 )
 

libs/log/tracing_logger_test.go

@@ -8,6 +8,7 @@ import (
 	"testing"
 
 	"github.com/pkg/errors"
+
 	"github.com/tendermint/tendermint/libs/log"
 )