Run goimports on the whole project (#34)

Signed-off-by: Matthias Loibl <mail@matthiasloibl.com>

models/repo_test.go

 package models_test
 
 import (
-	. "github.com/go-gitea/gitea/models"
-	. "github.com/smartystreets/goconvey/convey"
 	"testing"
 
+	. "github.com/go-gitea/gitea/models"
 	"github.com/go-gitea/gitea/modules/markdown"
+	. "github.com/smartystreets/goconvey/convey"
 )
 
 func TestRepo(t *testing.T) {

modules/markdown/markdown_test.go

 package markdown_test
 
 import (
-	. "github.com/go-gitea/gitea/modules/markdown"
-	. "github.com/smartystreets/goconvey/convey"
+	"bytes"
 	"testing"
 
-	"bytes"
+	. "github.com/go-gitea/gitea/modules/markdown"
 	"github.com/go-gitea/gitea/modules/setting"
 	"github.com/russross/blackfriday"
+	. "github.com/smartystreets/goconvey/convey"
 )
 
 func TestMarkdown(t *testing.T) {

modules/setting/setting.go

 	_ "github.com/go-macaron/cache/redis"
 	"github.com/go-macaron/session"
 	_ "github.com/go-macaron/session/redis"
-	"strk.kbt.io/projects/go/libravatar"
 	"gopkg.in/ini.v1"
+	"strk.kbt.io/projects/go/libravatar"
 
 	"github.com/go-gitea/gitea/modules/bindata"
 	"github.com/go-gitea/gitea/modules/log"