Gofmt and fix import ordering

Order the third party imports below the standard ones - as is common
in Go code.

dns.go

@@ -1,9 +1,10 @@
 package unbound
 
 import (
-	"github.com/miekg/dns"
 	"math/rand"
 	"sort"
+
+	"github.com/miekg/dns"
 )
 
 // AddTaRR calls AddTa, but allows to directly use an dns.RR.

lookup.go

@@ -1,8 +1,9 @@
 package unbound
 
 import (
-	"github.com/miekg/dns"
 	"net"
+
+	"github.com/miekg/dns"
 )
 
 // These are function are a re-implementation of the net.Lookup* ones

tutorial1/example.go

@@ -4,8 +4,9 @@ package main
 
 import (
 	"fmt"
-	"github.com/miekg/unbound"
 	"log"
+
+	"github.com/miekg/unbound"
 )
 
 func main() {

tutorial2/example.go

@@ -4,9 +4,10 @@ package main
 
 import (
 	"fmt"
+	"log"
+
 	"github.com/miekg/dns"
 	"github.com/miekg/unbound"
-	"log"
 )
 
 func main() {

tutorial3/example.go

@@ -5,9 +5,10 @@ package main
 import (
 	"flag"
 	"fmt"
+	"log"
+
 	"github.com/miekg/dns"
 	"github.com/miekg/unbound"
-	"log"
 )
 
 // Examine the result structure in detail

tutorial4/example.go

@@ -4,9 +4,10 @@ package main
 
 import (
 	"fmt"
+	"log"
+
 	"github.com/miekg/dns"
 	"github.com/miekg/unbound"
-	"log"
 )
 
 // This is called when resolution is completed.

tutorial5/example.go

@@ -4,9 +4,10 @@ package main
 
 import (
 	"fmt"
+	"log"
+
 	"github.com/miekg/dns"
 	"github.com/miekg/unbound"
-	"log"
 )
 
 func main() {

tutorial6/example.go

@@ -4,9 +4,10 @@ package main
 
 import (
 	"fmt"
+	"log"
+
 	"github.com/miekg/dns"
 	"github.com/miekg/unbound"
-	"log"
 )
 
 func main() {

unbound.go

@@ -55,12 +55,13 @@ import "C"
 
 import (
 	"encoding/binary"
-	"github.com/miekg/dns"
 	"os"
 	"strconv"
 	"strings"
 	"time"
 	"unsafe"
+
+	"github.com/miekg/dns"
 )
 
 type Unbound struct {

unbound_test.go

@@ -2,10 +2,11 @@ package unbound
 
 import (
 	"fmt"
-	"github.com/miekg/dns"
 	"runtime"
 	"sync"
 	"testing"
+
+	"github.com/miekg/dns"
 )
 
 func ExampleLookupCNAME() {
@@ -111,7 +112,7 @@ func TestStress(t *testing.T) {
 	for i := 0; i < max; i++ {
 		go func() {
 			for i := 0; i < 100; i++ {
-				d := domains[int(dns.Id()) % l]
+				d := domains[int(dns.Id())%l]
 				r, err := u.Resolve(d, dns.TypeA, dns.ClassINET)
 				if err != nil {
 					t.Log("failure to resolve: " + d)