Release version 2.30.2
* Fix possible race condition in gp11 library.
* Use proper locking for secure memory in daemon.
* Fix broken startup when used with gdm and password-less login.
* Fix checking of uninitialized value in prompting code.
* Make sure the service files are created correctly
* Add dbus activation service file for org.freedesktop.secrets
* Fix building of desktop and service files.