Move to logging package (#191)

* Updating comment to remove references to Caddy

* Updating README to mark TODO items complete

* Changing all debug print statements over to use logging package

middleware/kubernetes/nametemplate/nametemplate_test.go

@@ -1,7 +1,6 @@
 package nametemplate
 
 import (
-	"fmt"
 	"strings"
 	"testing"
 )
@@ -21,7 +20,6 @@ var exampleTemplates = map[string][]int{
 }
 
 func TestSetTemplate(t *testing.T) {
-	fmt.Printf("\n")
 	for s, expectedValue := range exampleTemplates {
 
 		n := new(NameTemplate)