Adding function for returning version in Configuration

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@915 44740490-163a-0410-bde0-09ae8108e29a

lib/SimpleSAML/Configuration.php

@@ -62,6 +62,10 @@ class SimpleSAML_Configuration {
 		$this->configuration = $config;
 	}
 
+	public function getVersion() {
+		return 'trunk';
+	}
+
 
 	/** 
 	 * Retrieve a configuration option set in config.php.