Can now override the public key lifetime by specificying value
for $CFG->mnetkeylifetime in config.php
Merged from STABLE_19
// These are additional tweaks for which no GUI exists in Moodle yet.
//
//
+// Change the key pair lifetime for Moodle Networking
+// The default is 28 days. You would only want to change this if the key
+// was not getting regenerated for any reason. You would probably want
+// make it much longer. Note that you'll need to delete and manually update
+// any existing key.
+// $CFG->mnetkeylifetime = 28;
+//
// Prevent scheduled backups from operating (and hide the GUI for them)
// Useful for webhost operators who have alternate methods of backups
// $CFG->disablescheduledbackups = true;