\t was not being recognized as tab in --format

When doing kpod images --format "{{.ID}}\t{{.Tag}}"
the "\t" was being passed in as a string of "\" and "t"
instead of as a tab character.

Signed-off-by: umohnani8 <umohnani@redhat.com>

Closes: #123
Approved by: rhatdan

cmd/kpod/formats/formats.go

@@ -1,6 +1,7 @@
 package formats
 
 import (
+	"bytes"
 	"encoding/json"
 	"fmt"
 	"os"
@@ -8,7 +9,6 @@ import (
 	"text/tabwriter"
 	"text/template"
 
-	"bytes"
 	"github.com/ghodss/yaml"
 	"github.com/pkg/errors"
 )