Merge branch 'master' into feature-15391/Positive_Zeitsperre

# Conflicts:
#	system/dbupdate_3.3.php

application/helpers/hlp_header_helper.php

@@ -39,6 +39,24 @@ function printPageTitle($title)
 	}
 }
 
+/**
+ * Print the meta tag http-equiv refresh having as content the value of the given parameter
+ */
+function printRefreshMeta($refresh)
+{
+	if ($refresh != null)
+	{
+		if (is_numeric($refresh) && $refresh > 0)
+		{
+			echo '<meta http-equiv="refresh" content="'.$refresh.'">';
+		}
+		else
+		{
+			show_error('The provided refresh parameter has to be a number greater then 0');
+		}
+	}
+}
+
 /**
  * Generates tags for the style sheets you want to include, the parameter could by a string or an array of strings
  */