Fix some typos, fmt and imports :)

Signed-off-by: Vincent Demeester <vincent@sbr.pm>

middlewares/cbreaker.go

@@ -4,8 +4,9 @@ Copyright
 package middlewares
 
 import (
-	"github.com/mailgun/oxy/cbreaker"
 	"net/http"
+
+	"github.com/mailgun/oxy/cbreaker"
 )
 
 type CircuitBreaker struct {

middlewares/logger.go

@@ -4,10 +4,11 @@ Copyright
 package middlewares
 
 import (
-	"github.com/gorilla/handlers"
 	"log"
 	"net/http"
 	"os"
+
+	"github.com/gorilla/handlers"
 )
 
 // Logger is a middleware handler that logs the request as it goes in and the response as it goes out.
@@ -23,9 +24,8 @@ func NewLogger(file string) *Logger {
 			log.Fatal("Error opening file", err)
 		}
 		return &Logger{fi}
-	} else {
-		return &Logger{nil}
 	}
+	return &Logger{nil}
 }
 
 func (l *Logger) ServeHTTP(rw http.ResponseWriter, r *http.Request, next http.HandlerFunc) {

middlewares/routes.go

@@ -5,9 +5,10 @@ package middlewares
 
 import (
 	"encoding/json"
-	"github.com/gorilla/mux"
 	"log"
 	"net/http"
+
+	"github.com/gorilla/mux"
 )
 
 type Routes struct {