twitter: now the automatic picture import for imported tweets should avoid duplicate pictures and such stuff. (not totally - but better)

rendertime/rendertime.php

@@ -26,6 +26,9 @@ function rendertime_page_end(&$a, &$o) {
 
 	$duration = microtime(true)-$a->performance["start"];
 
+	if (!is_site_admin())
+		return
+
 	$o = $o.'<div class="renderinfo">'.sprintf(t("Performance: Database: %s, Network: %s, Rendering: %s, Parser: %s, I/O: %s, Other: %s, Total: %s"),
 						round($a->performance["database"], 3),
 						round($a->performance["network"], 3),