Add emoji to labels

Minor cleanup of tribute code in footer.tmpl

Signed-off-by: jolheiser <john.olheiser@gmail.com>

routers/repo/issue_label.go

@@ -22,6 +22,7 @@ func Labels(ctx *context.Context) {
 	ctx.Data["PageIsIssueList"] = true
 	ctx.Data["PageIsLabels"] = true
 	ctx.Data["RequireMinicolors"] = true
+	ctx.Data["RequireTribute"] = true
 	ctx.Data["LabelTemplates"] = models.LabelTemplates
 	ctx.HTML(200, tplLabels)
 }