Add option to use existing URL for privacy policy. Pryx/server-status#41

- Also moved the gitbug icon to the left of the footer as it looked like it was part of the imprint/policy link.
- Fixed Imprint & Privacy policy text so that it will be translated.

config.php.template

@@ -12,6 +12,7 @@ define("ADDRESS", "##address##");
 define("POLICY_MAIL", "##policy_mail##"); //contact email in policy
 define("POLICY_PHONE", "##policy_phone##");
 define("WHO_WE_ARE","##who_we_are##");
+define("POLICY_URL","##policy_url##");
 define("INSTALL_OVERRIDE", false);
 define("DEFAULT_LANGUAGE", "en_GB");