fix trailing periods appearing in written-in shields

rebuild.php

@@ -229,7 +229,7 @@ class CProject {
 				$this->longdesc = preg_replace_callback('~\r?\nWritten in ([^\\n]+)~ms', function($matches) use (&$prefix_html) {
 					$prefix_html .= (
 						(SHIELDS_PREFIX ? mkshield('build', 'success', 'brightgreen').' ' : '').
-						mkshield('written in', $matches[1], 'blue')
+						mkshield('written in', rtrim($matches[1], '.'), 'blue')
 					);
 					return '';
 				}, $this->longdesc);