Apply netatalk3_spec_on_RHEL6.hat.20130220 from HAT
* Rename libevent.patch to netatalk-3.0.2-libevent.patch.
* Change configure argument.
* Add %pre and %postrun to move afp_signature.conf$B$H(Bafp_voluuid.conf
* Add cracklib
* Add netatalk-3.0.2-rc.patch