Added a Unit overview action. It's a bit quick and dirty, but it's intended for admins only.

git-svn-id: file:///svn-source/pmgr/branches/v0.3_work@957 97e9348a-65ac-dc4b-aefc-98561f571b83

site/views/helpers/format.php

@@ -47,6 +47,13 @@ class FormatHelper extends AppHelper {
     return $currency;
   }
 
+  function percent($amount, $precision = 2) {
+    if (!isset($amount))
+      return '-';
+
+    return self::$number->toPercentage($amount*100, $precision);
+  }
+
   function date($date, $age = false, $class = null, $time = false) {
     if (!$date) return null;