Merge branch 'master' into feat/approval-new

# Conflicts:
#	models/issue_comment.go
#	models/migrations/migrations.go
#	models/migrations/v64.go
#	models/models.go
#	public/css/index.css

modules/auth/repo_form.go

@@ -254,6 +254,7 @@ func (f *NewDingtalkHookForm) Validate(ctx *macaron.Context, errs binding.Errors
 type CreateIssueForm struct {
 	Title       string `binding:"Required;MaxSize(255)"`
 	LabelIDs    string `form:"label_ids"`
+	AssigneeIDs string `form:"assignee_ids"`
 	Ref         string `form:"ref"`
 	MilestoneID int64
 	AssigneeID  int64

modules/auth/user_form.go

@@ -44,6 +44,7 @@ type InstallForm struct {
 	EnableOpenIDSignIn             bool
 	EnableOpenIDSignUp             bool
 	DisableRegistration            bool
+	AllowOnlyExternalRegistration  bool
 	EnableCaptcha                  bool
 	RequireSignInView              bool
 	DefaultKeepEmailPrivate        bool